Bidspirit auction | Worldwide Air Post Stamps and
Worldwide Air Post Stamps and Postal History - Canada - NEAT SELECTION OF AIR POST STAMPS WITH VARIETIES: 1928-46, almost 150 mint and used (48) stamps in singles and blocks/plate blocks of four or six, including two blocks with ''swollen breast'' varieties (C1, C3), a single with shifted surcharge (C3), pale red brown shade (C5), hair line through ''A'' in ''AIR'' (PB C5), three double frame varieties (C9), three aniline ink varieties (CE1, CE2) and etc., full OG or used, F/VF, Unitrade C.v. is about CAD$2,000, varieties are not counted, Est. $500-$600, Scott #C1-9, CE1-4, var