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Continue to ChatStaffa 1972 Royal Silver Wedding Sheetlet (50p, CTO) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/staffa/staffa-1972-royal-silver-wedding-sheetlet-50p-cto/
Staffa 1972 Royal Silver Wedding Sheetlet (50p, CTO) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/staffa/staffa-1972-royal-silver-wedding-sheetlet-50p-cto/