Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 260:
Description
1937, Harp Seal, 15c claret, vertical strip of four, imperforate horizontally in the middle, full OG, NH, VF and very rare, C.v. $3,500, Unitrade C.v. CAD$5,000, Est. $2,500-$3,000 , Scott #239a
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