1857, 2 R. emerald green, overprint "GUADALAJARA", fresh colors, good cut, red frame cancel. "FRANQUEADO EN TEPIC. " (Schatzkes 409), on cover (tiny margin tear) to Guadalajara (Image)

1864, 1 R. eagle ultramarine, only district overprint, with beautiful cancellation "FRANCO EN SALAM.ca" (Schatzkes 1330) on entire letter to Guanajuato with handwritten date within the strike, nice presentation (Image)

1874/78, 10 C. orange and 25 C. blue, thick paper with overprint "DURANGO 3878", oval cancel "FRANCO EN DURANGO" on commercial cover to Parral and 25 C. blue with overprint "ORIZAVA 31 71" on a cover to Buebla, flawless superb letters (Image)

1874, 25 C. blue, thick paper, overprint "50 VERACRUZ 74" with clear straight-line cancel "TUXTEPEC" on a cover with registration crease, decorative (Image)

1895, 12 C. definitive brick red as additional franking on 3 C. registered interior stationery from Veracruz via New York (additional R-label) to Krefeld/Germany with all strikes, rare, nice presentation, F-VF (Image)

1934, Uni Mexico 1 C.- 10 Pesos, 10 Werte komplett postfrisch, tadellos (Image)

1934, 20 C. to 20 P. university of Mexico airmails, full set of 8 hinged, VF (Image)