Mexico, 1861, 4r black on yellow, half used as 2r, left half of vertical bisect on 1861 folded letter to San Blas, tied by neat "Franco Tepic" oval postmark with manuscript date and fancy killer additionally tying (Schatzkes 411+412); cover with reinforced splitting along horizontal file fold, otherwise Very Fine, a very attractive bisect usage; with M. Zanini certificate. Scott No. 9a  Estimate $600 - 800. $0 (Image)

Mexico, 1861, 4r black on yellow, half used as 2r (Queretaro), right half with district name and sheet margin, tied by Celaya oval handstamp (Schatzkes 1293) on folded letter sheet to Guanajuato; sheet missing top flap, otherwise Very Fine; with 1973 MEPSI certificate. Scott No. 9a  Estimate $200 - 300. $0 (Image)