Mexico, 1861, 8r black on red brown, triangular quadrisect, Oaxaca, tied on 1861 folded letter to Tuxtla by Tehuantepec boxed date stamp cancel (Schatzkes 1070); minor tone spots along cover folds, Very Fine, one of only 4 known cut as a triangle; with 1979 and 1994 MEPSI certificates. Scott Nos. 11b  Estimate $600 - 800. $0 (Image)