The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #99 COSTA RICA Air Post 1973 50c Lake Lindora, center inverted. The center design is made up of four colors, black, yellow, blue and pink, the latter three of these colors are all inverted, but the black is upright, hence the appearance is slightly fuzzy. The stamps were commercially used on mailing a bulletin from the Baha'i center in San Jose. Around five (!) are known in total, all used (with Brian Moorhouse 2008 cert. O Catalog #C555var | Unsold |
