The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #238 GUATEMALA 1911 General Post Office, 25c black and blue, center inverted, rejoined horizontal pair, lightly cancelled, pressed out crease, otherwise fine, with 1999 APS cert. (YT 145a) O Catalog #141a Catalog Value €2,500 | Unsold |
