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

Imperial Russia

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Start price: $250

Buyer's premium:

1915-17, 5r and 10r, printed on paper with vertical varnish lines, 23 mint stamps in singles or positional ”V” blocks from different printings, including stamp of 10r with inverted background (NH), shifted centers, color shades and other varieties, full OG, mostly NH (4 stamps-LH), F/VF, Est. $400-$500, Scott #108-09, 109d