The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #439 RUSSIA 1902 (vertically laid paper) 7r black and yellow, frame inverted, lower left sheet corner margin single, stamp never hinged and post office fresh, folded in margin, incredible example of this rarity, ex-Philip Kosack, with 2006 Mikulski certificate ("the best quality, it is the finest known example of this variety") ** Catalog #70a | Price Realized $15,000.00 |
