Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1360:
1935, Moscow-San Francisco Flight, red surcharge 1r on 10k dark brown, position 3 of 25-stamp setting, well centered, full OG, NH, VF, Z. Mikulski and Soviet Philatelic guarantees, C.v. $1,275, Est. $600-$800 , Sc. #C68
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