Lot 1277
GB 1971 SG X882 9p Harrisons inking trials on cards

Important Great Britain, Including the Steve McGill Grand Prix collection of Machins | S26002
Auction: 11 February 2026 10:30 GMT
Description
1971 9p yellow-black imperforate inking trials mounted on cards with two stamps positioned tête-bêche, the first card annotated ‘’Black first'' and ‘’GA42'' with the second card annotated ‘'Tint first'' and ‘’G 98''. Very fine and rare essays, with four of the six known imperforate 9p trials represented here! SG X882
Footnote
Ex the estate of C. Aubrey Walker former Head of Research at the Royal Mail Research Facility, Dollis Hill.

