Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

British North America - Nova Scotia

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Start price: $150

Buyer's premium:

1860-63, Queen Victoria, three imperforate plate proofs of 5c dark blue, 8½c green and 12½c black, block of four (No.11 and 13 with marginal ABN imprint), printed on India paper and mounted on cards, no gum as issued, NH, VF, Unitrade #10P-11P, 13P, C.v. CAD$680++, Scott #10-11, 13