1971 Proof coin collection from the Channel Islands of Guernsey

1971 Proof coin collection from the Channel Islands of Guernsey. The coins designs based on the islands industry and natural history the set consists of (6) coins; The 50p shows the Duke of Normandy's cap, 10p Guernsey cow, 5p Guernsey lily, 2p windmill, 1p Gannet. In Royal Mint cased of issue FDC