U.S. & Worldwide; The Alexander Collection of Russia
September 14-16, 2010
| Images | Description | Current Bid |
 | Lot #257 BULGARIA Air Post 1987 Balkan Airfleet, 25s error, missing the entire engraved portion, including name of the country and inscriptions, cancelled to order, with regular stamp included for comparison, v.f. error from the original discovery (one sheet of 25) O Catalog #C161var | Unsold |
