The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #394 POLAND 1987 Antarctic Base, 5zl vertical pair, both brown and purple colors inverted, the latter shifted, and resulting in completely missing ship from both stamps, cancelled to order, n.h., v.f., signed Schmutz, with 2003 Ceremuga certificate ("very rare as currently one error sheetlet (five pairs) recorded"), with a normal set of six on three FDCs included for comparison (Scott's No. 2782-2787) (Fischer 2929s) O Catalog #2782-83var Catalog Value Zl 1,500 | Unsold |
