1856 Hidalgo, 1/2r blue to 8r red lilac, set of five, unused, mostly without gum, first one cut in at right, otherwise large margins, 1r somewhat toned, others fine-v.f., cat. $632 (Cat No. 1-5) (Image)

Cat. $632, Est.$200

1861 8r green, Queretaro District, sheet margin at left, h.r., v.f., with 1994 MEPSI certificate, cat. $500 (Cat No. 12) (Image)

Cat. $500, Est.$150

1872 Hidalgo, 50c blue (color error) imperforate block of nine, without overprint, mostly n.h., v.f. and impressive multiple (Cat No. 96d) (Image)

Est.$250

1882 Juarez, 1c-100c without overprint, 12 different, complete as issued, h.r., few without gum, mostly fine, cat. $585 (Cat No. 131a/45a) (Image)

Cat. $585, Est.$200

1892 Hidalgo, 1c green to 10p blue complete, unused with or without gum, usual perforations, 5p minor soiling at top, generally fine or better, scarce complete, cat. $1209 (Cat No. 150-64) (Image)

Cat. $1209, Est.$350

1892 5p blue green, wove paper, perf. 12, light face-free cancel, good color, rare stamp, with handstamp mark on back, cat. $1200 (Cat No. 230) (Image)

Cat. $1200, Est.$500

1899 Issue, complete set, l.h. or h.r., fine-v.f., cat. $427 (Cat No. 294-303) (Image)

Cat. $427, Est.$150

1913 (24 June) cover franked with 1c and horizontal pair of 2c black & red (two different types), tied by Hermosillo cds and addressed to American Consul in Nogales, with arrival pmk next day, v.f. (Cat No. 322-324) (Image)

Est.$250

1913 2c black & red, horizontal gutter sheet of 10, both types, unused without gum as issued, minor perf. separations, v.f. (Cat No. 323,324) (Image)

Est.$250

1913 2c black & red, watermarked "Peerless Mills", horizontal gutter sheet of 10, both types, unused without gum as issued, minor perf. separations, v.f. (Cat No. 323b,324b) (Image)

Est.$500

1913 (21 June) cover franked with 5c (black roulette), tied by Nogales cds and addressed to Cananea, with same day arrival pmk on back, filing fold away from the stamp, slight overall toning, fine cover (Cat No. 329) (Image)

Est.$250

1913 (25 June) cover franked with 5c "Maro" (for "Marzo" error, black roulette), tied by Nogales cds and addressed to Hermosillo, with next day arrival pmk on back, cover tears and wear, scarce usage (Cat No. 329a) (Image)

Est.$250

1913 (30 Sep) two covers, each franked with single 1c and horizontal strip of 3x3c colorless or black roulette, mailed the same day from Hermosillo to Nogales, addressed to the American Consul, with 1 October arrival pmks on back, fine-v.f. (Cat No. 337,341,343) (Image)

Est.$250

1914 (25 Feb) cover franked with 5c green and 5c orange (1910 issue), tied by Train P.O. cancel, additional Durango (?) transit cds on back, sent to Chicago, with "Montgomery & Co" March 4, 1914 arrival datestamp on front, fine combination franking with Transitorio and Independence Issue (Image)

Est.$150

1914 (9 July) cover franked with single and two pairs of 1c rose (Denver Revenue Issue), tied by Piedras Negras Coah. Cds, sent to Monterey, with "Lista July 14", handstamped "no Reclamada" and returned to sender, with "Rezagos" (dead letter office) label on top (torn on opening as usual), additional Oct 19, 1914 datestamp, rare usage of Denver Revenues on cover, ex-Warman (Cat No. 393A) (Image)

Est.$500

1914 (21 Oct) cover franked with pair of 5c Dollar Sign overprints, sent from Zacazonapan, Mexico to "Beirut Syria Turkey", handstamped "Undeliverable L.P.S.", opened by Censor seal (in London), returned back to Mexico, with "Rezagos" (dead letter office) label on top (torn on opening as usual), additional 24 Oct, 1914 Mexico arrival cds on back. World War I prevented deliveries via Great Britain to the Central Powers, including the Turkish Empire (Cat No. 427) (Image)

Est.$250

1915 (27 Jan) cover franked with 2c green and 3c red brown overprinted and handstamped, used in combination with 2c U.S. stamp, tied by Nogales R.P.O. and Southern Pacific RR pmks, with oval "Eduardo Shmeckpeper Culiacan, Sin., Mex. Dec 3, 1914" datestamp at bottom (Image)

Est.$150

1915 1c dull violet, overprinted on back only, n.h., fine (Cat No. 423var) (Image)

Est.$150

1916 (11 July) cover franked with 10c Dollar Sign overprint, used from Ensenada to San Diego, with departure cds repeated alongside, scarce usage from Ensenada (Cat No. 428) (Image)

Est.$150

1935 Amelia Earhart 20c overprinted, h.r., v.f., signed Brun, Roig, Isaac, etc., cat. $3250 (Cat No. C74) (Image)

Cat. $3250, Est.$1,500

1939 SARABIA, 20c blue & red, used with additional franking on flown 23 May (FDC) to USA, v.f. (Cat No. C93A) (Image)

Est.$250

1939 SARABIA, 20c blue & red, used with additional franking on flown 23 May (FDC) to USA, v.f. (Cat No. C93A) (Image)

Est.$250

1895 "Official" overprints on regular issues, complete set unused without gum, 5p scarlet with overprint inverted (signed Herbert Bloch), 10p couple of shorter perforations, mostly fine or better, cat. $1819 (Cat No. O10-22) (Image)

Cat. $1819, Est.$500

1875 Large Numerals, 5c-100c complete, unused without gum, some light creases, mostly fine or better, cat. $379 (Cat No. JX20-25) (Image)

Cat. $379, Est.$150