Image #1
SOVIET UNION
Postage Stamps of 1924-1940
Lot #
977 | 
| Scott # 411-12
| 1929, Pioneer's Assembly, 10k brown and 14k slate gray, complete set in horizontal pairs, used on registered cover from Kharkov to England, blue crayon cross as always on registered mail, F/VF, Est. $200-$250 . |