Mexico, 1868, 6c black on buff, Oaxaca. Cons 23-68, strip of four, two strikes of Huajuapam de Leon cancel (Schatzkes 1043), Very Fine and choice, a wonderful and rare full strike. Scott No. 52  Estimate $300 - 400. $0 (Image)

Mexico, 1868, 6c black on buff, Oaxaca. Cons 23-69, horizontal strip of 4, 2 strikes of "Tehuantepec" boxed cancel (Schatzkes 1071), margins large to just shaving frameline at lower right, Very Fine. Scott No. 52  Estimate $100 - 150. $0 (Image)

Mexico, 1868, 6c black on buff, Oaxaca. Cons 23-70, near complete oval Tamazulapan cancel (Schatzkes 1068 - 100 points), Very Fine. Scott No. 58  Estimate $150 - 200. $0 (Image)

Mexico, 1868, 6c black on buff, Oaxaca. Cons 23-71, Santa Ifigenia oval cancel (Schatzkes 1046 -50 points and scarcer than that), full margins, Very Fine and choice. Scott No. 58  Estimate $150 - 200. $0 (Image)

Mexico, 1868, 6c black on buff, Oaxaca. Cons 23-70, oval Coixtlahuaca cancel (Schatzkes 1035 - 200 points), toning at lower right, otherwise Fine, a rare mark. Scott No. 58  Estimate $100 - 150. $0 (Image)