The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #438 RUSSIA 1902 3.50r black and gray, center inverted, cancelled "Batum" (date illegible), centered to the bottom left, faint corner crease and red ink mark on back just shows slightly through to face, small repair (perf. added at bottom), signed Phillip Kosack, presentable appearance of this rare inverted center which is only known used, with clear 2000 APS certificate, O Catalog #69a Catalog Value $ 14,000 | Unsold |
