Mexico, 1843 Tampico to London, England, folded letter sheet with "Franco, Santa Anna de Tamaulipas, Febro 19" origin cds (YB TM7) and manuscript "4/6" rate, reverse with "2" reales inland rate handstamp and bold red "Tampico, Feb 19" British P.O. cds; file folds, F.-V.F. Estimate  $250 - 350. $0 (Image)