Guadalajara, 1867, 2r black on rose, double impresssion, margins ample to touching, tied by oval Guadalajara cancel (Schatzkes 296) on fresh folded letter sheet to Zacatecas, Very Fine, an seldom encountered printing variety; with 2012 MEPSI certificate. Scott No. 18 var.  Estimate $150 - 200. $0 (Image)