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Continue to ChatSummer Isles 1983 Sea Mammals First Day Cover (FDC) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/summer-isles/summer-isles-1983-sea-mammals-first-day-cover-fdc/
Summer Isles 1983 Sea Mammals First Day Cover (FDC) https://www.grahamlandstamps.co.uk/shop/stamps/cinderellas/gb-offshore-islands/summer-isles/summer-isles-1983-sea-mammals-first-day-cover-fdc/