GREAT BRITAIN 1964 (MLH) BOTANICAL CONGRESS PHOSPHOR CYLINDER BLOCKS
Botanical Congress phosphor cylinder blocks x 6 (4 items): 3d (3A–1B–1C), 6d (1D–1C–1B–1A), 9d (2D–2C–2B–2A), 1s 3d (1D–1C–1B–1A). All with marginal pencil ‘P’ inscription. Fresh and fine. Mint lightly hinged. SG655p-658p; SC414p-417p
