Mexico, (San Luis Potosi) San Luis Potosi Covers, 3 covers; includes San Luis Potosi oval postmark with manuscript date (Schatzkes 1446) on 1864 folded letter sheet with "Franco" handstamp and "2" rate handstamp, ca. 1830 Catorce red oval handstamp (Yag-Bash SL36) and 1868 privately carried folded letter with red oval Hacienda De La Corcovada handstamp, Very Fine. Estimate  $250 - 350. $0 (Image)