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

Canada - Air Post stamps

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Start price: $100

Buyer's premium:

1932, Airplane, Angels and Globe, black surcharge 6c on 5c brown olive, top right corner sheet margin plate block of eight (4×2), imprint reads: ”OTTAWA No.A-2. 915A”, third stamp at the top row with ”Swollen Breast” variety, full OG, NH (LH on margin), VF, Unitrade C.v. CAD$660 as single stamps, Est. $200-$250, Scott #C3, var