1884 20c purple, trial color proof in india, top sheet margin and imprint pane of 40, card mounted, with some wrinkles and tears, otherwise fine and spectacular multiple (Cat No. 68P) (Image)

Est.$400

1889 25c Liberty, perforated sheetlet of nine in dark gray, each stamp with security punch and overprinted "Waterlow & Sons Ltd - Specimen", v.f. (Cat No. 89S) (Image)

Est.$250

1908 1c carmine and dark green, 2c green and dark green, centers inverted, l.h., few minor toned spots on gum, 2c with corner crease, otherwise fine-v.f., scarce unused, cat. $600 (Cat No. 174a,175a) (Image)

Cat. $600, Est.$500

1908 2c green and dark green, center inverted, canceled to order, some toning, v.f., cat. $300 (Cat No. 175a) (Image)

Cat. $300, Est.$200

1908 Cruiser Montevideo, 5c orange and dark green, center inverted, canceled August 25, 1908, v.f., with 1987 PFC (YT 176a) cat. $425 (Cat No. 176a) (Image)

Cat. $425, Est.$250

1987 N$51 Exports, imperforate sheet of 25 stamps on watermarked, gummed paper with impression of black color of a different stamp (Scott's 1241) and inverted impression of colors, with normal issued perf. sheets of the two stamps, n.h., v.f., with 2007 Carlos Hernandez Rocha certificate (Cat No. 1241-42var) (Image)

Est.$300

1988 N$66 Euskal Erria, imperforate sheet of 25 stamps on watermarked, gummed paper with misplaced inverted impression of black, n.h., v.f., also a normal issued perforated sheet of 25 included for comparison, with 2007 Carlos Hernandez Rocha certificate (Cat No. 1249var) (Image)

Est.$300

1988 N$51 Centenary of Fire Department, imperf. sheet of 25 stamps on watermarked, gummed paper with double impression of black, one inverted and misplaced, n.h., v.f. (Cat No. 1275var) (Image)

Est.$250

1989 N$210 Map, imperforate sheet of 25 stamps on watermarked, gummed paper with misplaced inverted impression of the red color (Map), folded along the middle row (five stamps creased), otherwise v.f., with a normal issued perforate sheet of 25 included for comparison, with 2007 Carlos Hernandez Rocha certificate (Cat No. 1286var) (Image)

Est.$250

1992 Entrance to Sacramento Colony, $600 brown and yellow colors misplaced, black color inverted, fine used, with 2007 Carlos Hernandez Rocha certificate ("original and the only stamp known"). A regular stamp is included for comparison (Cat No. 1377var) (Image)

Est.$500

1991 N$360 Margarita Xirgu, two imperforate sheets of 25, one with light brown color completely omitted and yellow inverted, the other with brown color inverted, n.h., v.f., with a normal issued perforate sheet of 25 included for comparison, with 2006-7 Carlos Hernandez Rocha and Alex Rendon certificates (Cat No. 1400var) (Image)

Est.$400