Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

Canada - Official stamps

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Start price: $200

Buyer's premium:

COLLECTION WITH EXTRAS: 1949-63, 92 mint stamps, including complete sets of 17 and 35 stamps with ”O.H.M.S.” and ”G” overprints respectively and 40 extra values including No. O2 in strip of three with narrow spacing, in addition 22 ”O H M S” perfins of types O9 and O10, nice and clean unit on hingeless pages, full OG, apparently all are NH and VF, Unitrade C.v. is about CAD$1,500, Est. $300-$400, Sc. # O1-O49, CO1-2, EO1-2