Mexico, 1874, 25c blue, Mexico, con 1-77, tied by town postmark on 1877 folded letter sheet to Llanes, Spain, due handstamps and reverse with uncanceled Porte De Mar 10c black, transit boxed handstamp and red entry postmark, Very Fine, a rare Port De Mar issue usage; with 2008 P. Scheller certificate. Scott No. 109+JX10  Estimate $500 - 750. $0 (Image)