The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #296 ITALY Air Post Semi-Officials 1926 Trans-Polar Dirigible Flight "Norge" vignette, horizontal imperforate gutter tete-beche pair, one variety missing color (gray brown) also frame double one inverted, the other with gray color shifted, folded between stamps, unused without gum, also a regular stamp included for comparison, v.f., rare P | Price Realized $425.00 |
