Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - Newfoundland - 1931, Routes of the Historic Trans-Atlantic Flights, $1 blue, vertical imperforate pair printed on paper without watermark, nice margins and fresh quality, redistributed gum, appears NH, VF, Unitrade C.v. CAD$1,000 as hinged, Est. $300-$350 , Scott #C8c