1861 4r black on yellow, without overprint, horizontal strip of six, pos. 43-48, dry print at right, pos. 1-5 have re-entries in the mouth or label, one stamp n.h., balance l.h. or h.r., v.f. multiple, with 1994 MEPSI certificate (Cat No. 9b) (Image)

Est.$400

1861 8r black on red brown, boxed Durango cancel, margins all around, v.f., with 2001 MEPSI certificate, cat. $250 (Cat No. 11) (Image)

Cat. $250, Est.$150

1866 50c green, overprinted "62-1866" (Orizava), without district, block of 12, four stamps n.h., balance l.h., middle right stamp with small tear and marginal scissors separation at left, otherwise v.f. multiple, with clear 1994 MEPSI certificate (Cat No. 30) (Image)

Est.$300

1866 50c green, block of 12, one stamp overprinted "73 1866", the balance "74 1866", without district, seven stamps n.h., balance l.h., v.f., with 2003 MEPSI certificate (Cat No. 30) (Image)

Est.$400

1884 Hidalgo, 5p blue and 10p blue, unused part original gum, h.r., usual perforations, fine, cat. $850 (Cat No. 163,164) (Image)

Cat. $850, Est.$250

1934 University Issue complete with Air Post, h.r., fresh and well centered, fine-v.f., cat. $6115 (Cat No. 698-706,C54-61) (Image)

Cat. $6115, Est.$1,500

1935 Amelia Earhart, 20c lake, well centered, heavy h.r., v.f., signed, cat. $3250 (Cat No. C74) (Image)

Cat. $3250, Est.$2,000

1935-39 Amelia Earhart and Sarabia issues, each with "Muestra" overprint, h.r., v.f. (Cat No. C74,C93A/S) (Image)

Est.$300