Mexico, (San Luis Potosi) San Luis Potosi. Oval handstamp with manuscript "Dbre 31 de 1864" date (Schatzkes 1446) on folded letter sheet to Durango, "Franco" handstamp (1446A) and reverse with matching "2" handstamp as well as an additional different "2" rate handstamp on front, Very Fine, an attractive sello negro usage shortly before stamps where resupplied from the capitol on January 2, 1864. Estimate  $150 - 200. $0 (Image)

Mexico, (San Luis Potosi) San Luis Potosi. 1863 cds (Schatzkes 1443) on folded letter datelined from Mexico, to Leon with beautiful strike of bold blue Admiralty & War Ministry cachet handstamp; light file fold, Very Fine. Estimate  $300 - 400. $0 (Image)

Mexico, (San Luis Potosi) San Luis Potosi. Full strike of Diligencias oval handstamp (Schatzkes 1451) on 1880 folded letter to Hacienda del Carro, endorsed "Con 1 bullito" at top, Extremely Fine. Estimate  $100 - 150. $0 (Image)