Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - 1930, Mercury 5c olive brown, complete sheet of 50 (5x10) with natural straight edges at right and bottom, reversed plate No.1 on the left margin, full OG, NH, generally VF, C.v. $5,250, conservative Unitrade C.v. is CAD$7,300, Est. $2,500-$3,000, Scott #C2