Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Imperial Russia

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Start price: $600

Buyer's premium:

1919, 7r dark green and pink, bottom sheet margin imperforate single with horizontal varnish lines, side margins typical for this issue, full OG, previously hinged, VF and scarce, C.v. $1,550, Scott #138b