Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
SOVIET RUSSIA (RSFSR AND SOVIET UNION)
Lot #
1136 | 
| Scott # 298-301
| 1926 (June 2), Pioneer Flight registered cover from Moscow to Paris, franked by Lenin Mausoleum 7k-40k, complete perforated set of four, three-language boxed marking, backstamped in Paris on June 3, mostly VF, Est. $200-$250 . |