The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #421 RUSSIA 1866 10k brown and blue, center inverted, centered to the bottom right as are all known examples, fresh colors, light "Kursk 2 Nov.1874" cds, slightly weak corner perforation at top right and slightly rounded bottom left corner, rather insignificant considering that less than 10 (!) have been recorded (including two on cover and one on piece), certainly among the rarest of all the inverted centers of Russia, ex Goss, Baughman and Isleham collections, with 2006 Mikulski certificate ("a great rarity of Imperial Russia") O Catalog #23b Catalog Value $ 60,000 | Unsold |
