Great Britain 1964 20th International Geographical Congress (Ordinary) imprimaturs, SG651/4var Indian States stamps believed to have been printed

believed to have been printed from trial plates of 9

Natural perforation comb irregularity at top

Zanzibar 1865-73 India 2a

both with type 3a surcharge (reading upwards)

Great Britain 1964 20th International Geographical Congress (Ordinary) imprimaturs, SG651/4var Indian States stamps believed to have been printedGreat Britain 1964 20th International Geographical Congress (Ordinary), SG651 4var. Very fine unmounted mint with full original gum set of four imperforate imprimaturs with NPM handstamp on reverse. Rare, only ten sets released from the National Postal Museum archive. BUY NOW: Order online, by phone +44 (0)1534 639 998, or via email info@paulfrasercollectibles. com