Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3
Lot 1469:
1910, Swan with legs down, 2k green, perforated and imperforated singles, large part of OG or no gum as issued, VF, Schmidt #10, Chuchin #9, 9a, C.v. $190, Est. $120-$150
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