Acapulco, no name as usual, 2r orange 5th period, consignment #115-1866, just touched at right otherwise with good to very large margins, double circle cancel (Schatzkès #3). Very fine and very rare as David Pietsch states that no more than five exist. Cert. Mepsi. NF $400 clearly underpriced as this example sold for $1,700 at Torres March 2000 auction. Ex Strieker and Leo V. Corbett. (Image)

Apam 1r ultra and 2r orange, both margins all around, two very fine and attractive stamps. The 1r is from Otumba (Schatzkès #37) and the 2r was cancelled out of district in Mexico. NF $225. Ex Leo V. Corbett. (Image)

Apam 1r ultramarine and 2r yellow, mainly good margins, used on September 12, 1864 entire letter from Apam to Mexico, lightly cancelled with negative handstamp (Schatzkès #24). Light crease passing through top of the stamps. Only 700 issued of the 2r during the scarce first "Eagle" period of two months. NF $225 as singles off-cover. (Image)

Apam 2r orange and 1r blue, just the 1r touched in small part at right, otherwise both well margined, on September 28, 1864 entire letter from Apam to Mexico, lightly cancelled with negative handstamp (Schatzkès #24). The 2r comes from consignment #182-1864, where only 400 were sent, belonging to the short first "Eagle" period without consignment number, lasting two months only in May-June 1864. NF $300 as singles off-cover. (Image)

Apam 2r orange 4th period, probably consignment #79-1865 sub 16, bisect tied on piece by Teotihuacan double oval cancel (Schatzkès #40), very fine. Cert. Mepsi (1986). Scott $6,000 on cover. Ex Leo V. Corbett. (Image)

Campeche 2r orange 5th period, consignment #36-1866, three good margins, tied to April 25, 1866 entire letter by a fine strike of the Campeche boxed ds (Schatzkès #57), very fine and fresh. Uncommon on cover. Signed J. K. Bash. Ex Leo V. Corbett. (Image)

Chalco Cuautla Morelos 4r green 1st period, close to fine margins except for small nick in lower left corner, vivid colour with bold circular cancel (Schatzkès #94), small corner crease, a rare example. Only 124 were issued. NF $650. Ex Leo V. Corbett. (Image)

Chalco Cuautla 4r green 1st period, just cut into at left otherwise good to very large margins, bold circular cancel (Schatzkès #94), horizontal crease at foot. Only 124 were issued, so it is rare. NF $650. Ex Leo V. Corbett. (Image)

Chihuahua Santa Rosalía 2r orange 4th period, consignment #169-1865, very close to large margins, used on 11 March, 1866 cover to Parral, stamp with Santa Rosalía overprint and superb double oval cancel in blue (Schatzkès #168). Creases and small tear in margin at top of the value. This cover is a jewel of the issue as only six singles and two covers have been recorded by David Pietsch. NF$600 as single off-cover. Ex Leo V. Corbett. (Image)

Córdova ½r, 1r, 8r., 3rd-5th period group, three interesting stamps, two with margins all around: ½r lilac consignment #208-1864 from the broken plate position; 1r blue Paso del Macho consignment #41-1866 sub 16 with Bernelle Transports cancel (horizontal crease at foot) and 8r red consignment #51-186. Fine to very fine. NF $290. Ex Leo V. Corbett. (Image)

Córdova Paso del Macho 2r orange 4th period, consignment #189-1865 sub 16, just clear to large margins, on 10 January 1866 wrapper to Puebla tied by merchant’s cachet, the rare oval "Enterprise General Ubernelle & Cia Transportes". Very fine and most likely a unique cover. Ex Leo V. Corbett. (Image)

Cuautitlán 1r blue, 4th period, consignment #19-1865, three fine margins, bright color, cancelled in Cuautitlán with the fancy and popular negative boxed handstamp (Schatzkès #202), vertical crease at right. Very scarce. NF $1,000. Ex Leo V. Corbett. (Image)

Cuautitlán Tlalnepantla 1r blue, 4th period, consignment #19-1865 sub 9, two large margins at top and bottom, very fresh color and bold double oval cancel (Schatzkès #211), light crease. Tlalnepantla was a tiny town and it received a total of 80 stamps through the issue, anly 20 were sent from this consignment; this stamp is likely unique from this sub number. NF $1,000. Ex Leo V. Corbett. (Image)

Cuautitlán Tlalnepantla 1r blue, 4th Period, consignment #19-1865 sub 4, two large margins at top and bottom, cancelled by double oval cancel (Schatzkès #211), horizontal crease at top and surface scuff on right side. Tlalnepantla was a tiny town and it received a total of 80 stamps through the issue. Only 20 were sent from this consignment, so this stamp is likely unique from this sub number. NF $1,000. Ex Leo V. Corbett. (Image)

Cuautitlán 1r ultra 2nd period, consignment #139-1864, margins all around, slightly touching at bottom left, an extraordinary rarity with bright color and neat cancel (Schatzkès #199). Only 200 sent. NF $2,000. Ex Bash, Streiker and Leo V. Corbett. (Image)

Cuautitlán Tlalnepantla 2r orange, 4th period, consignment #19-1865 sub 4, very close to large margins, light double oval cancel (Schatzkès #211), diagonal crease. Tlalnepantla was a tiny town and it received a total of 60 stamps through the issue. Only 20 were sent from this consignment; likely unique from this sub number. NF $1,200. Ex Leo V. Corbett. (Image)

Cuernavaca Tetecala 2r orange, 2nd and 4th period, consignments #199-1864 and #185-1865, two very attractive stamps from this tiny town. The 2nd period stamp has three margins but a perfect and spectacular cancel (Schatzkès #230), the other with four large margins and some light corner wrinkling. Ex Leo V. Corbett. (Image)

Durango Guichapa 2r Yellow 4th Period, consignment #141-1865 sub 34, on entire letter from Huichapán to Parral, dated January 18, 1866. This elaborate cancel on cover is rare (Schatzkès #259). Only 100 stamps issued in this shipment. (Image)

AN EXTRAORDINARY VERTICAL QUADRISECT Durango 8r red, astonishing vertical quadrisect, wide margins at top and base, used as 2 reales on December 6, 1865 cover from Gavilanes to Durango, tied by neat strikes of "Franco" and "Gavilanes" handstamps (Schatzkès #256). One of just three vertical one quarters of this denomination recorded, this probably being the finest, of great fascination for this spectacular usage in classic postal history and in a remarkably fine state of preservation, enabling to notably enrich the most advanced collection. Cert. Mepsi (1995), backstamped John K. Bash. Scott $15,000. Provenance: John M. Taylor Erich Koenig Robert A. Paliafito (Image)

Guadalajara ½r brown 1st period, close to large margins, used (Shatzkès #292). Very fine. Scott $400. (Image)

Guadalajara-Tepic ½r brown, large or good margins on three sides, touched at left, showing the negative cancel (Schatzkès #416). A very scarce denomination with only 100 issued, belonging to the scarcest period (the first, just two months) of the "Eagles" issue. NF $250. (Image)

Guadalajara Zapotlán San Gabriel 1r blue, 4th period, consignment #55-1865 sub 32, two examples both with clear to large margins, tied to 16 July, 1866 cover to Colina by two-line handstamp (Schatzkès #444), horizontal crease affecting stamps. A very uncommon cancel. Ex Leo V. Corbett. (Image)

Guadalajara Eagles 1st – 5th period, group of four items from Tepic, Zacualco and Etzatlán. One Tepic cover bearing a magnificent bicolor franking made up of 1r + 2r #207-1864 cancelled by negative circular cancel (Shatzkès #416) to Guadalajara, dated November 28. The most important single is a 4r Tepic 1st Period with sub . The other two stamps are 1r sub 50 (Etzatlán) and 2r #155-1865 sub 44 (Zacualco). (Image)

Guadalajara Zapotlán 8r red 3rd period, consignment #207-1864, quadrisect on piece tied by very fine two-line cancel (Schatzkès #441). Cert. Mepsi (1986). NF $500. Ex Leo V. Corbett. (Image)

A RARE EXAMPLE OF THE LEGENDARY GUADALUPE-HIDALGO OVERPRINT Guadalupe Hidalgo 2r orange 4th Period, consignment #50-1865, cleat to large margins, with "FRANCO / MEXICO" double circle ds, very fine and most rare. Only 100 sent. A legendary district name overprint as it was a sub office of Mexico District. NF $2,500. Ex Leo V. Corbett. (Image)