Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3

Soviet Union

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Start price: $250

Buyer's premium:

1940, Vladimir Mayakovsky, 60k dark gray blue, two stamps with comb perforation 12½x11¾, raster horizontal or vertical diamonds, first one with slight paper fold, full OG, LH, VF and scarce couple, Est. $400-$500, Sc. # 778a, var