Mexico, 1856, 4r red, Guanajuato, in combination with 1856, 1r yellow + 2r yellow green, Guanajuato on folded letter sheet to Guadalajara, all tied by two light strikes of 1856 Guanajuato cds's (Schatzkes 476); missing bottom flap, Very Fine, an attractive and scarce three-color franking. Scott Nos. 4+2+3  Estimate $750 - 1,000. $0 (Image)