The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #56 BOLIVIA 1909 Centenary of the Revolution, four inverted center varieties, including 10c green perf. single, 10c green imperf. corner margin horizontal pair (also normal imperf. strip of three included for comparison), 20c orange left margin vertical pair imperf. between and 2p red and black perf. single (with normal imperf. included for comparison), mostly l.h., some faint toning or natural wrinkles, fine-v.f. group * Catalog #79-81var | Price Realized $325.00 |
 | Lot #57 BOLIVIA 1909 5c red and black, imperforate plate proof on stamp paper, center inverted, v.f., with 2004 APS cert. (*) Catalog #84Pvar | Price Realized $150.00 |
 | Lot #58 BOLIVIA 1910 War of Independence, six items with centers inverted including 5c-20c set of three singles, mint n.h. (20c signed Stolow), also 10c imperf. proof with center inverted and displaced, block of four, l.h., with 1997 Moorhouse cert., 10c imperf. at bottom and at sides, l.h., and 20c imperf. horizontal pair, unused without gum; also a selection of seven varieties, including 5c-20c set of three imperf. horizontal pairs, 5c perf. and imperf. horizontal pairs with center omitted, 10c imperf. horizontal pair with center omitted, and 10c imperf. block of four with centers shifted upwards, l.h., fine-v.f. and comprehensive group P*/** Catalog #92-94var | Price Realized $450.00 |
 | Lot #59 BOLIVIA 1916 Lake Titicaca, 2c carmine and black, imperf. block of four, center inverted, top stamps hinged, bottom stamps n.h., also 2c and 10c singles, centers inverted, 2c used, 10c heavy h.r., fine-v.f., with 2004 APS cert. for the block of four (YT 106a-b,108b)  *OCatalog #113c-d,116c Catalog Value €490 | Price Realized $300.00 |
