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What Does ‘Decus et Tutamen’ Mean When Used on Gold Coins

Numismatics is the field of study related to coinage. Researchers often study the origins of a particular design and may even delve into the history of a particular coin. When we look at the designs of coins, including our very own one pound coin from 1983 or 1996, an inscription with the words “Decus et Tutamen” appears engraved on the side of the coin. This is a very interesting observation. The inscription does not appear on the obverse or reverse of the coin. It is engraved on the side, which is probably why many people miss seeing it completely. But what is it What does it mean

The meaning of the inscription

The inscription “Decus et Tutamen” simply means – an ornament and a safeguard. Another interpretation is ‘glory and defence’. So, the inscription was created to enhance the design of the coin and protect it. But protect the coin against what

Decus et Tutamen
The one pound coin from 1983 carries the inscription on the side

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The injurious practice of clippers

This is the term that was used to describe the practice of coin clipping. Coin clipping was a practice that existed particularly in the 17th and 18th centuries, where a small portion of a precious metal coin was simply shaved off and kept aside for profits. This illegal practice meant that these clippings could all be collected and then melted into gold and silver. If a person managed to save up a significant volume of clippings, it simply meant that it could be melted into a sizeable bar or even counterfeit coins. So, the inscription “Decus et Tutamen” was created to protect the coins. If the Clippers were to shave off the coin, the inscription would disappear, and the coin could be rejected as being damaged. Interestingly, the crime of coin clipping was punishable by death at the time. It has been documented that in the year 1690, Thomas and Anne Rogers were tried and convicted for high treason, due to their crime of coin clipping. Both of them received the death penalty.

Decus et Tutamen
It was during the reign of King Charles II that the protective inscription was first introduced


When did this happen

The phrase “Decus et Tutamen” was originally coined by the English author, John Evelyn on 10th January 1662, more than 350 years ago. It is reported that this proposal was made by John Evelyn in person to King Charles II. At the time, a new coinage was being designed for the reign of the new King.

Evelyn suggested that this system of protection could be incorporated on the new valuable coins, like the five Guinea gold coin, being minted for the Kings new reign. However, this inscription was discontinued following the death of King Charles II. But it reappeared in later years, during the reigns of different British monarchs and can be found on commemorative coins, which were intended to be valuable. In recent years, the inscription can be found on the milled edge of many British 1 pound coins, popularly known as the “round pound”, which replaced the Bank of England pound note in 1983.

The origins of the phrase

Most scholars agree that John Evelyn may have picked the phrase from a literary work, popularly known as Virgil’s Aeneid, in which the words “Viro Decus et Tutamen in Armis”, can be found. These words have been used within the text to describe a large, armoured breastplate decorated with gold.

Call our numismatic experts at Physical Gold

If you are a coin collector or a numismatist, you could benefit by calling our team of coin experts at Physical Gold. Our team conducts regular research on many valuable coins, including their origins and history. Whether you are looking for gold to build a portfolio or a collection, please call us on (020) 7060 9992 or get in touch with us online. We would be happy to help you out.


Image credits: Wikimedia Commons and Wikimedia Commons


Daniel Fisher formed physical Gold in 2008, after working in the financial industry for 20 years. He spent much of that time working within the new issue fixed income business at a top tier US bank. In this role, he traded a large book of fixed income securities, raised capital for some of the largest government, financial, and corporate institutions in the world and advised the leading global institutional investors. Daniel is CeFA registered and is a member of the Institute of Financial Planning.

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