The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #549 URUGUAY 1991 N$360 Margarita Xirgu, two imperforate sheets of 25, one with light brown color completely omitted and yellow inverted, the other with brown color inverted, n.h., v.f., with a normal issued perforate sheet of 25 included for comparison, with 2006-7 Carlos Hernandez Rocha and Alex Rendon certificates  **Catalog #1400var | Unsold |
