The Royal Mint
Official Mint of the United Kingdom
Quick-Facts
| Official Name | The Royal Mint |
| Country | United Kingdom |
| Year Founded | 886 AD |
| Primary Location | Llantrisant, Glamorgan, Wales |
| Famous Bullion Series | Britannia (Gold, Silver, Platinum), The Sovereign |
Historical Overview
Tracing its lineage back over 1,100 years to the late 9th century under Alfred the Great, The Royal Mint is Britain’s oldest continuously operating business. For centuries, its operations were housed securely inside the fortress walls of the Tower of London. It was during this medieval era that the historic “Trial of the Pyx” was established, a rigorous, independent judicial ceremony that still takes place every year to legally test and verify the weight, size, and purity of the mint’s coins.
Throughout its storied past, the mint has been defined by famous master workers, including the legendary physicist Sir Isaac Newton, who took over as Master of the Mint in 1699 to aggressively fight a massive domestic counterfeiting crisis. In the late 1960s, as operations outgrew London, the entire facility moved to a massive, highly secure 38 acre site in Llantrisant, Wales, where it transitioned into striking both international circulating currencies and world-class retail investment bullion.
Iconic Flagship Coin Series
The Britannia (Gold, Silver, Platinum): First struck in gold in 1987 (and silver in 1997), the Britannia is the mint’s definitive investment piece. Modern gold versions feature an ultra-pure 24 karat fine gold standard (99.99% purity), while the silver versions feature a pure .999 fine finish.
The Sovereign (Gold): Often called the “chief coin of the world,” the Gold Sovereign has been minted for over 500 years. Struck in tight, durable 22karat gold (91.67% purity), it features the timeless reverse design of St. George slaying the dragon, sculpted by Benedetto Pistrucci in 1817.
Advanced Security Features
The Royal Mint’s modern bullion line (specifically the Britannia series) is globally recognized as the most visually secure bullion in the world due to four space-age, laser-etched security elements:
The Latent Hologram Image: A small, circular laser indentation on the reverse side that works like a hologram. When you rotate the coin in the light, the image visibly shifts between a nautical trident and a secure padlock.
Surface Wave Animation: Using picosecond surface engraving lasers (indents 200 times narrower than a human hair), the background behind Britannia creates the fluid, rolling optical illusion of waves coming to life when the coin is tilted.
Micro-Text Border: Embedded right along the inner rim of the design is microscopic laser text reading “DECUS ET TUTAMEN”, which translates from Latin to “An Ornament and a Safeguard.”
Tincture Lines: The lines intersecting on Britannia’s union jack shield are not decorative; they are complex, micro-raised patterns representing heraldic colours that are near-impossible for counterfeiters to mimic using cast moulds.
Image courtesy of The Royal Mint © 2026