George VI, 1937-52. Proof Sixpence, 1950. CGS Encapsulated, UNC 88 (MS65-66 Equivalent). Reference: S. 4110. Some marks to the plastic.George VI, 1937-52. Proof Sixpence, 1950. CGS Encapsulated, UNC 88.£20.00PriceAdd to BasketBuy Now