S. Shtern Collection of Soviet Union
October 29-30, 2008
| Images | Description | Current Bid |
 | Lot #668 RUSSIA - AIR POST 1931 50k gray blue (color error), used together with additional franking on registered (window) envelope, flown from Moscow (24.8.35) to Switzerland, fine-v.f., rare usage, with arrival pmks  Catalog #276 | Price Realized $2,200.00 |
