The 2021 Britannia Coin series
represents one of the most technologically advanced and security-focused issues in The Royal Mint’s Britannia programme, featuring the introduction of cutting-edge anti-counterfeiting technology and enhanced visual security features. By 2021, Britannia had firmly established itself as a leading global investment-grade bullion coin series, recognised for its innovation, purity, and international demand.
Struck in 24-carat gold (.9999 fine), the 2021 Britannia gold coins continue the modern pure gold standard introduced in 2013, while the 1oz silver Britannia coins in .999 fine silver
showcase a refined contemporary design by P J Lynch, combining classical symbolism with modern artistic interpretation.
This category includes a full selection of 2021 Britannia Coins, covering gold proof sets, silver bullion and proof issues, platinum coins, large-format collector editions, and certified graded examples.
The 2021 issue is particularly notable for its four advanced security features, making it one of the most secure bullion coins in the world. These include a latent image that changes between a trident and a padlock, surface animation wave patterns, micro-text engraving (“Decus et Tutamen”), and tincture lines on Britannia’s shield, all designed to enhance authenticity and deter counterfeiting.
This collection may include:
- 2021 Gold Britannia Proof Sets (3-coin and Premium 6-coin sets)
- 2021 1oz Gold Britannia Coins (£100 denomination)
- 2021 2oz Gold Britannia Coins (£200 denomination)
- 2021 5oz Gold Britannia Coins (£500 denomination)
- Certified PCGS & NGC 2021 Britannia Coins
- 2021 1oz Silver Britannia Coins (.999 fine silver)
- 2021 Silver Britannia Kilo Coin (£500 denomination, extremely limited mintage ~58)
- 2021 5oz Silver Britannia £10 Proof Coin (mintage ~250 worldwide)
- 2021 1oz Silver Britannia £2 Proof Coin (limited mintage ~3,000)
- Platinum Britannia coins including ¼oz £25 proof issues (very low mintages, often under ~200)
- Ultra-rare 1oz gold proof Britannia coins (mintage ~50–150 depending on variant)
- Premium 6-coin gold proof sets (highly limited collector releases)
The 2021 Britannia coins continue the modern .9999 fine gold standard, while the silver issues are struck in .999 fine silver, weighing 1 troy ounce (31.21g total weight) with a 38.61mm diameter, reflecting the post-2013 redesign and global bullion standardisation.
The 2021 release is especially significant for introducing The Royal Mint’s most advanced bullion security technology to date, making Britannia coins not only visually striking but also among the most secure precious metal coins in circulation worldwide.
As a highly innovative modern Britannia issue, the 2021 Britannia remains extremely desirable among collectors building full date runs, with strong demand for both low-mintage gold proofs
and the highly detailed P J Lynch silver Britannia design, particularly in certified high-grade condition.
Browse our full selection of 2021 Britannia Coins
below, including bullion, proof sets, platinum issues, and certified graded examples.
