Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - 1932, black surcharge 6c on 5c brown olive, top right corner sheet margin plate 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, Scott #C3, var