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WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
Soviet Union
Lot # 145 | * | Scott # C68
| 1935, Moscow-San Francisco Flight, red surcharge 1r on 10k dark brown, position 2 of 25-stamp setting, very well centered, full OG, LH, VF, Soviet Philatelic guarantee, L. Hovest certificate, C.v. $500, Est. $400-$500 . |