The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #565 VIETNAM, NORTH 1986 Ernst Thalmann, 2d imperf. block of four, printed on both sides, one with black color double, reverse with red printed twice, one inverted, v.f. and interesting variety, with 2006 Alex Rendon cert. (*) Catalog #1622var | Unsold |
