
1937 King George VI Proof Specimen Double Sovereign - NGC PF-66 A superb example the 1937 George VI proof Specimen double sovereign. Being of very high grade this coin exhibits a very few hairlines, otherwise as struck, NGC PF-66. The plain edge Proof gold double sovereigns were produced to celebrate the Coronation of King George VI on the 12th of May 1937 as part of 4 coin gold Proof sets, with a mintage of 5,501 pieces, they were technically patterns as they did not have a milled edge like