Lot 1271
GB SG X855 1971 3p colour trial in turquoise-blue

Important Great Britain, Including the Steve McGill Grand Prix collection of Machins | S26002
Auction: 11 February 2026 10:30 GMT
Description
1971-73 3p imperforate colour trial (OCP/PVA, Head C) in turquoise-blue (the issued colour of the ½p) on gummed paper, mint unmounted o.g. very fine and rare, eight copies are thought to exist in private hands. Offered with issued ½p turquoise-blue for comparison. SG X855

