Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Canada - Newfoundland - 1933, Labrador issue, 5c light brown, right sheet margin imperforated block of four, post office fresh, full OG, NH, VF, C.v. $750, Unitrade C.v. CAD$1,120 as two pairs, Est. $400-$500, Sc. # C13a