1/4oz Platinum Proof Britannia Coins

Explore our range of 1/4oz Platinum Proof Britannia Coins, featuring highly exclusive fractional platinum proof issues from The Royal Mint’s Britannia series. Struck in .9995 fine platinum, these coins contain one-quarter of a troy ounce of pure platinum and represent one of the rarest and most sought-after fractional formats within modern British coinage.

Each coin is produced to the Royal Mint’s highest proof standard using specially prepared dies and polished blanks, resulting in exceptional sharpness, mirror-like fields and fine detail. Designs feature modern interpretations of Britannia—often by leading Royal Mint engravers—paired with the official portrait of the reigning monarch. These 1/4oz platinum proof issues are typically released in extremely low mintages, making them highly desirable among serious collectors of Britannia and platinum coinage.

1/4oz Platinum Proof Britannias are especially significant within the series, as they often represent flagship or anniversary releases with very limited worldwide availability. Many examples are presented in official Royal Mint packaging with certificates of authenticity, and selected coins are professionally graded by PCGS or NGC for enhanced collectability.

Whether you are expanding a complete Britannia platinum set or focusing on rare fractional proof issues, discover our selection of 1/4oz Platinum Proof Britannia Coins at The London Coin Company .