Mexico 1856, 1r yellow, without overprint, San Felipe del Obraje. Straight line "Franco S. Felipe" postmark (Schatzkes 291A), clear margins and rich color, Very Fine, one of the district rarities of the issue, only 600 were issued (NF $750); with 2002 MEPSI certificate. Scott No. 2c  Estimate $500 - 750. $0 (Image)