The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #18 UNITED STATES POSSESSIONS CANAL ZONE 1907 1c green and black, center and Canal Zone inverted, nicely centered with fresh colors, usual tropicalized original gum, light h.r. and small adhesion, v.f., only 22 mint examples exist from the original sheet of 100, as 78 were used on mail before the error was discovered by a local philatelist named Elmer Ohlson, with 2002 PFC, ex-Helme, * Catalog #22g Catalog Value $ 5,000 | Unsold |
