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Continue to ChatStaffa 1974 Churchill / Apollo Sheetlet (50p, U/M) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/staffa/staffa-1974-churchill-apollo-sheetlet-50p-u-m/
Staffa 1974 Churchill / Apollo Sheetlet (50p, U/M) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/staffa/staffa-1974-churchill-apollo-sheetlet-50p-u-m/