Mexico, 1868, 50c black on yellow, Saltillo, imperf, cons 30-68, tied by cds (Schatzkes 1356) on folded letter sheet, Rentas official eagle cachet handstamp, sent to Monclova; reinforced file fold and wrinkling at center, otherwise Very Fine. Scott No. 49  Estimate $300 - 400. $0 (Image)