Lot
3146 
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.