Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - Newfoundland - 1931, Airplane over Packet Ship, 50c green, vertical imperforate pair, nice margins and post office fresh, full OG, NH, VF and rare, C.v. $1,100, Unitrade C.v. CAD$1,800, Est. $500-$600 , Scott #C7c