The 2026 1 oz Platinum Britannia Coin is produced by The Royal Mint and is part of the UK's most popular bullion coin series. Britannia coins are known for being leaders in bullion security features.

• Fineness: 999.5 
• Pure Metal Content: Contains 1 troy ounce of platinum
  
• Weight: 31.21g
• Diameter: 32.69mm
  

Security Features of the 2026 Britannia Coin Range

• Micro-detail background waves
• Padlock/trident changing hologram
• Britannia's shield has additional line work detailing
• Micro-text border with Latin text (DECUS ET TUTAMEN) translating to “an ornament and a safeguard”.

History of Britannia

Today, the Britannia is the UK's most popular 1 oz bullion coin, manufactured by The Royal Mint since 1987 in gold and since 1997 in silver.