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RUSSIAN AIR POST STAMPS AND COVERS
Lot # 1404 | ** | Scott # C69-75, C75a
| 1937, Aviation Exhibition, 10k-1r, complete set of seven and souvenir sheet of four 1r stamps, all arranged on two pages from a Collection, full OG, NH, VF, C.v. $624, Est. $250-$300 . |