The Mahendra Sagar Collection of Inverted Centers
October 5-6, 2011
| Images | Description | Current Bid |
 | Lot #553 VIETNAM, NORTH 1957 Fourth World Trade Union Congress, 300d purple value tablet inverted in mirror print on the upper right stamp, in block of four with three normal stamps, unused without gum as issued, v.f., with 2005 Alex Rendon certificate (Michel states only about 15 examples recorded, unpriced unused)  (*)Catalog #Mi.63K | Price Realized $850.00 |
 | Lot #554 VIETNAM, NORTH 1957 Fourth World Trade Union Congress, 300d purple value tablet inverted in mirror print on the upper right stamp, in block of four with three normal stamps, central postmark, v.f., with 2007 Alex Rendon certificate (Michel states only about 15 examples recorded) Catalog #Mi.63K Catalog Value €500 | Price Realized $550.00 |
 | Lot #555 VIETNAM, NORTH 1967 Vase and basket, 1.50pi misperforated single, black bamboo basket inverted, also the basic portion of the design in greenish blue and carmine is strongly shifted to the bottom right, creating spectacular error, n.h., v.f., with 2006 Alex Rendon cert. ** Catalog #312var | Price Realized $325.00 |
 | Lot #556 VIETNAM, NORTH 1978 Flower, horizontal block of 20 (10x2) with margins on both ends, yellow printed double once inverted, inverted yellow printed diagonally from bottom left to top right leaving left five stamps in the top row normal, with a back stamp in the bottom row margins with a red "L" in circle, with 2008 APS certificate stating “printer’s waste, ungummed as printed, genuine” (also a note stating “There are double yellow printings with one inverted and struck at approximately 13 degrees angle to the horizontal. There is an authentication hand stamp on the back in the selvage, a red circle with an L by Lucian Lu. As to how the inverted color came into existence, it was most likely done intentionally. There is a lot of printer’s waste from this period now in collector hands. This block was perfed after the second yellow was applied, suggesting the printer wanted to complete the preparation of the press." (*)Catalog #923var | Unsold |
 | Lot #557 VIETNAM, NORTH 1978 Fourth Trade Union Congress, 10xu variety black color inverted, horizontal pair, unused without gum as issued, v.f., with 2008 APS cert., rare (*) Catalog #934var | Unsold |
 | Lot #558 VIETNAM, NORTH 1975 Liberation of Saigon, 6xu variety blue color inverted, unused without gum as issued, v.f., with 2007 APS cert. (*) Catalog #947var | Unsold |
 | Lot #559 VIETNAM, NORTH 1979 Einstein, 12xu variety black color omitted, sheet corner margin block of four, unused without gum as issued (also a regular block of four), also imperf. horizontal pair, used, plus the very rare imperf. pair, black color inverted, used, v.f., the latter with APS cert. (*)OCatalog #983var | Unsold |
 | Lot #560 VIETNAM, NORTH 1980 Coat of Arms, 6xu variety, background inverted, unused without as issued, v.f., with 2005 Alex Rendon cert. (*) Catalog #1090var | Unsold |
 | Lot #561 VIETNAM, NORTH 1982 Agriculture, 30xu horizontal sheet margin pairs, one with yellow background double, one inverted, the other with dark blue printing inverted; also imperf. block of four with yellow background double, one inverted, plus 30xu blue imperf. pair, plus two singles, one with light blue background complete omitted, unused without gum as issued, fine-v.f., with Alex Rendon certificates for the first two pairs (*)Catalog #1243-44var | Unsold |
 | Lot #562 VIETNAM, NORTH 1984 Vietnamese-Soviet Culture Palace, 20xu imperf. top left sheet corner margin block of eight, yellow background inverted, unused without gum as issued, v.f. and striking error, with 2006 Alex Rendon cert. (*)Catalog #1360var | Unsold |
 | Lot #563 VIETNAM, NORTH 1985 Hai Phong Bridge, 5d block of four, variety blue color inverted; also an additional block of four, blue color completely omitted, unused without gum as issued, v.f. (*)Catalog #1508var | Unsold |
 | Lot #564 VIETNAM, NORTH 1985 Elections, 1d orange and black, imperf. pair, black color (center and inscriptions) inverted; also 50xu imperf. pair, printed on both sides, double and once inverted (without inscriptions) on back, both obviously printer's waste but rare, v.f., with 2010 Philatelic Foundation Certificates (*) Catalog #1596-97var | Unsold |
 | 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 |
