Lot 1274
GB SG X859 1971 3p block showing large confetti flaw mint

Important Great Britain, Including the Steve McGill Grand Prix collection of Machins | S26002
Auction: 11 February 2026 10:30 GMT
£492
Description
1971 3p olive-grey (FCP/PVA, 1 centre band) block of 16, with central portion (six stamps) without impression caused by a large confetti flaw, mint unmounted o.g.; a spectacular item, offered with the obstructing waste paper which caused the variety. SG X859

