The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #420 RUSSIA 1868 (vertically laid paper) 1k black & yellow, imperforate single with inverted and shifted background, large margins all around, cancelled "Moscow, Nov. 1872", a striking double error (both imperf. and inverted background), only a few known to exist, slight horizontal crease and impression just a little washed out as often on this value, otherwise a fine example of this rarity, ex-Mikulski collection, with his 2003 certificate, O Catalog #19g Catalog Value $ 18,500 | Price Realized $8,000.00 |
