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

Canada

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Start price: $500

Buyer's premium:

1908, Quebec Tercentenary issue, large die proof of 7c in black, printed on India paper and mounted on sunken die card, proof size 78x68mm, slight traces of hinges on reverse, fresh, VF and rare, Green Foundation certificate, NSSC 87dp7, C.v. US$1,500, Est. $900-$1,000, Scott #100