Armory v. Delamirie [1722] EWHC J94; (1722) 1 Strange 505; 93 ER 664 — Court of King’s Bench, England

Area of Law: Property — Finder’s Rights; Possessory Title; Trover; Damages

The defendant’s name is spelled wrong, in the case report, in every textbook, and in every citation for three hundred years. The plaintiff may not have been the person who actually found the jewel. And the case that established possession as a property right enforceable against the world was decided in the name of a boy whose social position, in 1722 England, placed him at roughly the same level as the working livestock.

Start with the name. The defendant was Paul de Lamerie, two words, one capital letter, no “i” in the second syllable. He was not a minor tradesman. Paul de Lamerie (1688 to 1751) was a Huguenot refugee, a Protestant who had fled religious persecution in France and the Low Countries, who had by 1722 become one of the most technically accomplished goldsmiths in Georgian England.¹ He held a Royal Warrant from King George I. His silverwork fetched, and still fetches, extraordinary prices at auction. His name appears in museum collections at the Victoria and Albert, the Metropolitan, and the Louvre. The court reporter who wrote “Delamirie” was simply wrong.

Now consider what the case was. A boy whose employment required him to climb inside coal-fired chimneys, a trade that in eighteenth-century England killed or permanently disabled most of its practitioners before adulthood, found a jewel in a ring and walked into the shop of the King’s goldsmith to ask what it was worth. The goldsmith’s apprentice took it from him and gave him back the empty setting. When the boy refused payment and demanded his jewel, the apprentice offered him three halfpence. He still refused.

And then he sued. And won.

The principle Armory v. Delamirie established is usually summarised as: a finder acquires possessory title good against the whole world except the true owner. That principle is important and durable. But the deeper proposition the case carries, invisible to almost every analysis, is this: possessory rights do not belong only to people with property. They belong to every person who comes into lawful possession of a thing. The chimney sweep and the King’s goldsmith stood before the court with exactly the same legal tool available to each, and the court applied it to the one who had prior possession. Social station was irrelevant.

That is the case. Now let me examine what most analyses miss.

Why Trover and What the Choice Did

The boy brought his action in trover. Every analysis states this. Almost none explains it.

Trover was a common law fiction, a form of legal pleading developed in the English courts by which a claimant alleged that the defendant had “found” his goods and wrongfully converted them to his own use.² By the eighteenth century, trover had become the standard action for wrongful interference with personal property regardless of how the defendant actually obtained the goods. The fiction of “finding” was simply the pleading formula. The practical significance of choosing trover over the alternatives was in the remedy. In detinue, the other available action for detained goods, you could seek return of the specific chattel. In trover, the remedy was damages: the monetary value of the converted property. By bringing trover, the boy was not asking for the jewel back. He was asking for its value in money.

This choice created a problem that Pratt CJ had to solve. The jewel was gone. Its actual quality, its actual value, unknown. If damages required proof of value, the boy had no means of proof: the goldsmith who alone had seen the stones closely now held them and could describe them in whatever terms served him best. Evidence of value resided entirely in the hands of the wrongdoer.

Pratt CJ’s answer was the rule that has since become the most underappreciated element of this case. He directed the jury that if the defendant would not produce the jewel, the jury was to presume it was “of the finest water,” the finest quality, and assess damages accordingly.³ The burden of proving lower value fell on the defendant. If the defendant chose to suppress the evidence of value by retaining the stones, he bore the consequence of that choice.

This is the earliest clearly recorded judicial application of what evidence scholars now call the spoliation inference: when a party destroys, withholds, or suppresses evidence within their control, the fact-finder may draw the most adverse inference against them that the evidence would support. In modern Nigerian evidence law, the principle surfaces through sections 167(d) and 168 of the Evidence Act 2011, which permit a court to presume that evidence which could be and is not produced would be unfavourable to the party who could produce it.⁴

The Armory damages rule did not merely resolve a property dispute. It announced, in 1722, a principle of procedural fairness that anticipates modern evidence doctrine by over a century: you cannot benefit from the concealment of evidence whose value you created. This point is absent from every Nigerian case note I have encountered on this case.

The Ratio

A finder of a chattel acquires, through the act of finding, a possessory title to that chattel which is good against all persons except the true owner; and this possessory title is sufficient to found an action in trover. Where a defendant who has wrongfully converted found property fails to produce that property to enable proof of its value, the court will presume the highest value and assess damages accordingly. An employer who extends credit to his apprentice is answerable for the apprentice’s acts in the scope of that credit.

Three propositions, all from Armory. The first is what everyone cites. The second is what nobody develops. The third, vicarious liability of masters for their agents in trade, is what allowed the boy to sue Delamirie personally rather than the apprentice who would have had nothing to give.

Finder’s Rights in Nigeria

Armory v. Delamirie arrived in Nigerian law as English common law received through the colonial reception statutes, the Interpretation Acts of the various states and the High Court Laws that incorporated English law as it stood at the relevant reception date.⁵ Under the rule in Ude v. Nwara (1993) 2 NWLR (Pt. 278) 647, English law applies to property transactions in Nigeria where there is no comparable local legislation or customary law. On finder’s rights, Nigerian law has almost none.

England now has the Torts (Interference with Goods) Act 1977, which codifies the treatment of found goods and specifies a period after which unclaimed property may pass to the finder.⁶ Most American states have unclaimed property legislation. Nigeria has no equivalent statute governing found movable property outside the land context. Armory operates in Nigeria as received common law in a complete statutory vacuum.

This matters for practical reasons. When a person in Nigeria finds property, money in a market, goods abandoned beside a road, equipment left on farmland, a mobile phone in an office, there is no statutory procedure to follow, no public authority to whom the property must be tendered, no prescribed waiting period after which the finder’s possessory title crystallises into something firmer. The finder has the common law right from Armory. But the finder has no clear mechanism for converting that possessory right into marketable title, and no certainty about when or whether the true owner’s right extinguishes.

The constitutional extinguishment nobody maps. Section 44(3) of the 1999 Constitution provides that the entire property in and control of all minerals, mineral oils, and natural gas in, under, or upon any land in Nigeria or in the territorial waters shall vest in the Federal Government.⁷ This is an absolute constitutional provision with no exception. The Petroleum Industry Act 2021 operationalises it for oil and gas. The Nigerian Minerals and Mining Act 2007 reinforces it for solid minerals.⁸

What this means for Armory is precise: the finder’s rights principle is constitutionally abolished for the category of property most likely to be “found” in Nigeria’s land context. A farmer in Ogoniland who discovers crude seeping on his farmland is not a finder with Armory rights, the oil belongs to the Federal Government from the moment of its existence beneath the soil. A person who discovers solid minerals on land he farms has no possessory title to those minerals under Armory, section 44(3) and the 2007 Act have pre-empted the common law entirely. A fisherman in the Niger Delta whose nets pull up what turns out to be subsea gas infrastructure has no finder’s claim.

The practical result is that Armory’s reach in Nigeria is significantly narrower than Nigerian legal education acknowledges. The principle applies to ordinary lost chattels, jewellery, cash, equipment, vehicles. It has been extinguished by the constitution and statute for the category of “found” property, subsurface resources, that has the most economic significance in Nigeria’s political economy. No Nigerian case analysis of Armory has mapped this constitutional limit.

The Criminal Code collision. Civil finder’s rights under Armory exist in tension with a criminal liability that Nigerian legal commentary consistently ignores.

Section 383(1) of the Criminal Code, applicable in most southern states, defines stealing to include circumstances where a person finds property and, at the time of finding or afterwards, has reason to believe that the owner can be discovered by taking reasonable steps, and dishonestly appropriates the property to his own use without taking those steps.⁹ A finder in Lagos or Enugu who discovers a wallet containing identification and keeps it without making any attempt to trace the owner may not merely have failed a moral test. He may have committed stealing.

The civil right under Armory, possessory title good against all except the true owner, does not immunise a finder from this criminal provision. Armory gives you a right against third parties who would take the property from you. It does not give you a right against the true owner. And if the true owner is traceable through reasonable steps that you chose not to take, the criminal law says your retention is dishonest.

The chimney sweep’s boy in 1722 had no criminal liability because he brought the jewel to a tradesman for valuation. But a Nigerian finder who discovers property, identifies that the owner could be found, and appropriates it instead is exercising a civil right that simultaneously attracts criminal liability. This doctrinal collision between Armory and section 383 of the Criminal Code has not, as far as I can find, been addressed in any Nigerian case or academic commentary.

The Plaintiff’s Identity

Several sources acknowledge in passing that “Armory” was possibly the true owner of the jewel rather than the finder, and that the actual finder was reportedly a boy named James Bird.¹⁰ If the plaintiff Armory was the true owner and not the finder, then the case most celebrated for establishing finder’s rights may have been decided on facts that never engaged finder’s rights at all. The true owner bringing trover against a converter is not a case about finding. It is an ordinary conversion case. The finder’s rights principle would then be a legal proposition extracted from facts that did not require it.

I raise this not to dismiss the doctrine, the direction to the jury on finder’s rights was given regardless of the true factual position, and it has been applied in genuine finder cases for three centuries since, but to note that the doctrinal foundation is more uncertain than the confident textbook citation suggests. The principle has been applied correctly. Its origin in a case that may not have involved a finder at all is a curiosity nobody has fully interrogated.

What Customary Law Does With Found Property

No existing analysis asks this question for Nigeria.

Nigerian customary law across its various systems, Yoruba, Igbo, Efik, Hausa-Fulani and others, has its own approaches to found property. In Yoruba customary practice, the finding of significant property in a marketplace or public space traditionally triggers an obligation to make public announcement through community channels to identify the owner. In many northern communities governed by Maliki school Islamic jurisprudence, found property, known in Arabic as luqta, is subject to a specific framework: the finder must make public announcement for up to one year; if the owner is not found, the property is given to charity rather than retained by the finder; if the finder himself is poor, he may use it, but the owner retains the right to claim its value if he later appears.¹¹

The Armory principle, keep it against all except the true owner, is materially different from both of these customary frameworks. In customary law, the obligation is to seek the owner. In the Islamic framework, the obligation is to give to charity if the owner is not found. In Armory, no obligation of disclosure is imposed at all. The finder’s rights accrue immediately and continue indefinitely until the true owner appears.

For northern Nigerian states where Islamic personal law is applicable, the Armory principle as received common law may conflict with the customary Islamic property law framework that has constitutional recognition under section 38 of the 1999 Constitution and the Sharia court systems established in twelve states since 1999.¹² No court has addressed whether the Islamic luqta rules displace the Armory common law principle for found movable property in those jurisdictions.

The decision was right. More than right, it was morally necessary, and it has been vindicated by every subsequent court that has applied it across three centuries and multiple jurisdictions. The principle that possession creates enforceable rights is foundational not because it solves every case but because without it, the law becomes an instrument of the powerful against the propertyless. A world in which the King’s goldsmith could simply keep what a chimney sweep’s boy brought to his shop, because the boy lacked title documentation, would be a world in which possession is only a right for those who already have property.

What Armory v. Delamirie did was extend the protection of law to a person at the bottom of every social hierarchy that existed in 1722 England. That is not a small thing.

But the case in Nigerian law has been treated as resolved when it is, in truth, surrounded by unresolved questions. The constitutional extinguishment under section 44(3), the criminal exposure under section 383 of the Criminal Code, the customary law frameworks that impose obligations foreign to Armory’s common law model, the statutory vacuum that leaves every Nigerian finder without procedural guidance: these are not academic observations. They are practical problems that affect real people in real transactions every day.

The chimney sweep won in 1722. Whether his successors would win as cleanly in a Lagos market or a Kano street, under the full weight of Nigerian law as it actually stands, is a question that deserves a more careful answer than we have yet given it.

Citations:

• Armory v. Delamirie [1722] EWHC J94; (1722) 1 Strange 505; 93 ER 664 (Pratt CJ)
• Hannah v. Peel [1945] KB 509
• Parker v. British Airways Board [1982] QB 1004
• Bridges v. Hawkesworth (1851) 21 LJ QB 75
• Ude v. Nwara (1993) 2 NWLR (Pt. 278) 647
• Section 44(3), Constitution of the Federal Republic of Nigeria 1999
• Petroleum Industry Act 2021
• Nigerian Minerals and Mining Act 2007 (Cap N162 LFN)
• Section 383(1), Criminal Code Act (Cap C38 LFN 2004)
• Evidence Act 2011, Sections 167(d) and 168

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Footnotes

1. Paul de Lamerie (1688 to 1751) was born in the Netherlands to French Huguenot parents who had fled France following the revocation of the Edict of Nantes in 1685. He was apprenticed to the London goldsmith Pierre Platel in 1703 and registered his own mark at the Goldsmiths’ Hall in 1712. By the 1720s he was regarded as the leading goldsmith working in the rococo style in England. His pieces are held in major museum collections worldwide and regularly achieve record prices at auction. The Victoria and Albert Museum in London holds one of the most significant collections of his work. His name is invariably recorded as “Delamirie” in the legal reports, which is a phonetic approximation that discards both the space and the correct vowel arrangement. ↩

2. Trover as a form of action developed in the sixteenth century from the action of trespass on the case. By the seventeenth century it had displaced detinue as the preferred action for wrongful interference with goods because it offered the plaintiff the choice of money damages rather than return of the specific item. The fictional allegation that the defendant had “found” the goods was a pleading device that enabled the action regardless of how the defendant had actually come into possession. Trover was abolished as a distinct form of action by the Common Law Procedure Act 1852 and later subsumed into the general law of conversion under the Torts (Interference with Goods) Act 1977 in England. ↩

3. Per Pratt CJ in Armory v Delamirie (1722) 1 Strange 505: “the jury ought to give him [the plaintiff] the value of the best jewels that would fit the setting.” The “finest water” formulation refers to the highest grade of diamond clarity as classified by eighteenth-century gemologists. A diamond of the finest water was the most transparent, most brilliant, and most valuable quality available. By directing the jury to assume this grade, Pratt CJ effectively required the defendant to bear the full commercial risk of his own suppression of evidence. ↩

4. Section 167(d) of the Evidence Act 2011 (Cap E14 LFN): “The court may presume the existence of any fact which it thinks likely to have happened, regard being had to the common course of natural events, human conduct and public and private business, in their relation to the facts of the particular case, and in particular the court may presume that evidence which could be and is not produced would if produced be unfavourable to the person who withholds it.” Section 168 permits the court to draw adverse inferences from the non-production of documents and things within a party’s power to produce. ↩

5. The reception of English common law into Nigerian states occurred through various Interpretation Laws and High Court Laws that fixed a reception date, generally 1 January 1900 for most southern states. English common law, equity, and statutes of general application in force as of that date were received as part of Nigerian law. Subsequent English developments, including statutory reforms, are not automatically received but may be applied as persuasive authority by Nigerian courts exercising common law jurisdiction. ↩

6. The Torts (Interference with Goods) Act 1977 (UK) introduced a regime for dealing with unclaimed goods, including an obligation on the bailee or finder to give notice to the true owner and a mechanism for the sale of goods that remain unclaimed after a reasonable period. The Act replaced the old forms of action in detinue and trover with a unified tort of wrongful interference with goods. Nigeria has no equivalent legislation. ↩

7. Section 44(3) of the Constitution of the Federal Republic of Nigeria 1999 (as amended): “Notwithstanding the foregoing provisions of this section, the entire property in and control of all minerals, mineral oils and natural gas in, under or upon any land in Nigeria or in, under or upon the territorial waters and the Exclusive Economic Zone of Nigeria shall vest in the Government of the Federation and shall be managed in such manner as may be prescribed by the National Assembly.” ↩

8. The Nigerian Minerals and Mining Act 2007 (No. 20 of 2007) vests ownership of all solid minerals in Nigeria in the Federal Government and requires any person who wishes to explore or mine such minerals to obtain a licence or lease from the Minister of Mines and Steel Development. The Act creates criminal offences for mining without a licence and for the sale or transfer of minerals obtained without authorisation. ↩

9. Section 383(1) of the Criminal Code Act (Cap C38 LFN 2004): “A person who finds a thing capable of being stolen is not thereby entitled to take it as his own property, merely because he finds it; but he does not steal it unless he takes it with intent to steal it, and, at the time when he takes it or at the time of the finding, he believes that the owner can be discovered by taking reasonable steps.” The Penal Code (applicable in northern states) contains a comparable provision. The effect in both cases is that honest appropriation of found property is not theft, but appropriation with knowledge that the owner is traceable through reasonable inquiry is. ↩

10. The identification of the actual finder as James Bird rather than a person named Armory appears in several historical and legal history sources examining the background to the case. The suggestion is that “Armory” may have been either the name of the boy’s employer or a placeholder name in the pleadings, as was not uncommon in early eighteenth-century English litigation. The point has not been definitively resolved and the court records from 1722 do not provide sufficient particulars to settle it. ↩

11. The rules on luqta in Maliki Islamic jurisprudence, the school predominant in much of northern Nigeria, are derived from hadith traditions and are elaborated in classical Maliki texts including Ibn Rushd’s Bidayat al-Mujtahid. The finder is required to make public proclamation, typically at the mosque or market, for a period of one year. If no owner appears and the finder is wealthy, the property must be given to charity. If the finder is poor, he may use it subject to the owner’s continuing right to claim equivalent value if he appears subsequently. ↩

12. Twelve northern Nigerian states adopted Sharia penal law between 1999 and 2001: Zamfara, Kano, Sokoto, Katsina, Bauchi, Borno, Jigawa, Kebbi, Niger, Yobe, Kaduna, and Gombe. These states established or expanded Sharia courts with jurisdiction over matters of personal law for Muslim residents. Section 38 of the 1999 Constitution protects freedom of religion, and the constitutional basis for the Sharia court systems is grounded in the provisions of section 275 to 279 of the 1999 Constitution, which permit states to establish Sharia courts of appeal. ↩