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

Canada - Postage Due stamps

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Start price: $150

Buyer's premium:

1930, Numerals, 10c dark violet, perforation 11, block of four, full OG, NH, VF, C.v. $880++, Unitrade C.v. CAD$1,280 as singles, Scott #J10