The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #17 UNITED STATES Flight Covers 1943 Dayton Philatelic Society Ohio cover commemorating 40th Anniversary of Wright Brothers Flight and Dayton Ohio, Birthplace of Aviation. The cover front has a Slate and Carmine cachet with center inverted and displaced out. Cancelled with a USA 6c Airmail stamp by Kitty Hawk NC Dec 17 PM 1943 cds. On closer inspection and also looking at the back, it is apparent that the slate frame is inverted and stamp has been placed so that it appears center is inverted, most unusual item, discovery copy  | Unsold |
