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Great Britain 1964 2½d 20th International Geographical Congress (Phosphor) imprimaturs, SG651p var

Great Britain 1964 2½d 20th International Geographical Congress (Phosphor) imprimaturs, SG651p var

Sold out
£10,500.00 - £10,500.00
£10,500.00
£10,500.00 - £10,500.00
£10,500.00
SKU GL11

Great Britain 1964 2½d 20th International Geographical Congress (Phosphor), SG651p var.

Superb unmounted mint with full original gum imperforate bottom left hand corner marginal cylinder block of four imprimaturs 'Cyl.3D-1C-1B-1A' with 'British Postal Museum and Archives' handstamps on reverse.

A remarkable and unique item.