Guadalajara, 1868, 1r black on green laid battonne, "1863" for "1868", large margins, tied by fancy scroll handstamp (Schatzkes 343) on 1868 folded mourning letter sheet from Zapotlan to Tapalpa, some extraneous green ink on cover face, Very Fine; with 1997 MEPSI certificate. Scott No. 42a  Estimate $500 - 750. $0 (Image)