Explore our range of 1/2oz Platinum Proof Britannia Coins, featuring official fractional platinum proof issues from The Royal Mint’s Britannia series. Struck in .9995 fine platinum, these coins contain half a troy ounce of pure platinum and represent one of the most exclusive fractional formats within the Britannia range.

Each coin is produced to the Royal Mint’s highest proof standard using specially prepared dies and highly polished blanks, creating sharp detail, mirrored fields and exceptional finish quality. Designs typically feature the modern Britannia by Philip Nathan or contemporary reinterpretations by Royal Mint engravers, paired with the official portrait of the reigning monarch. These 1/2oz platinum proofs are issued in extremely limited mintages, making them highly sought after by collectors.

Historically, 1/2oz Britannia platinum proof coins have been released as part of limited annual or anniversary issues, with select examples certified by PCGS or NGC. Their scarcity, precious platinum content and association with the Britannia series make them a key acquisition for serious collectors of modern Royal Mint platinum coinage.

Whether you are building a complete Britannia platinum collection or focusing on rare fractional proof issues, discover our selection of 1/2oz Platinum Proof Britannia Coins at The London Coin Company

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