The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #531 TURKEY 1970 International Education Year, 130k ultramarine, pink and rose lilac Ultramarine, top sheet margin single, center inverted, also imperf. top sheet corner margin block of four, black double, one inverted, n.h., single stamp with minor mount disturbance on back, v.f., with APS certificates, stating "printer's waste" for the block  ** | Unsold |
