GREAT BRITAIN: (1952-PRESENT DAY) QUEEN ELIZABETH II GOLD PROOF 4-COIN BRITANNIA SET. The set all struck in proof Fine gold alloyed with silver includes the One Hundred 1oz, Fifty Pound 1/2oz, Twenty-Five Pound 1/4oz and Ten Pound 1/10th oz. The reverse depicts a profile bust of Britannia wearing a helmet. Designed by Suzie Zamit. All cased and certificated by the Royal Mint.