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

British North America - Newfoundland - Postage Due stamps

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Start price: $300

Buyer's premium:

1949, Numerals, 10c dark violet, perforation 11, top left corner sheet margin vertical pair imperforate between stamps, full OG, NH (hinged at top margin far away from the stamp), VF and rare, only 30 pairs known, C.v. $1,500, Unitrade C.v. CAD$2,400, Est. $600-$700, Scott #J7a