2011 Britannia Gold Proof Four Coin Set. Complete with the Original Royal Mint Box & certificate of Authenticity. 63 Gram Of 22 Carat Gold.Rest Assured all photographs are of the actual coins you will receive. If you have any questions please feel free to message me. The item "2011 Britannia Gold Proof Four Coin Set, 63 Gram X 22 Carat Gold. Not Sovereign" is in sale since Tuesday, April 21, 2020. This item is in the category "Coins\Coins\British\Proof Sets/Coins\2000s". The seller is "osborne01652" and is located in BRIGG, Lincolnshire. This item can be shipped worldwide.