The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #19 UNITED STATES POSSESSIONS 1906-07 1c green and black, center and Canal Zone inverted, used with regular 1c on piece, tied by Paraiso C.Z. cds, well centered, regular stamp with rounded corner, v.f. and rare, with 2002 PFC, ex-Helme collection. A pane of 100 of this error was sold in March 1909 to the Panama Railroad Company, and all but 22 copies were used on mail before the error was discovered. As of now, in addition to the unused copies that were saved, only about 13 used copies are on record including a horizontal pair on cover, O Catalog #22g Catalog Value $ 6,000 | Price Realized $3,000.00 |
