The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #543 URUGUAY 1987 N$51 Exports, imperforate sheet of 25 stamps on watermarked, gummed paper with impression of black color of a different stamp (Scott's 1241) and inverted impression of colors, with normal issued perf. sheets of the two stamps, n.h., v.f., with 2007 Carlos Hernandez Rocha certificate  **Catalog #1241-42var | Unsold |
