Lot
726 
Mexico, 1861, Second Issue, 4r black on yellow, San Luis Potosi, quadrisect, upper portion of stamp in combination with 1861, Second Issue, 4r black on yellow, diagonal bisect, San Luis Potosi on 1861 folded letter to Guadalajara, tied by San Luis Potosi fancy "Franco" handstamp (Schatzkes 1446A), oval "Chabot Hermanos, Sn. Luis Potosi" oval company handstamp and offset of the SLP circular date stamp (Schatzkes 1443) on reverse, Very Fine, ex-Schatzkes; signed Calves, with 2017 M.E.P.S.I. certificate. Scott No. 9c+9a Estimate $2,500 - 3,500.
A RARE MIXED FRACTIONAL USAGE OF THE 1861 4R HIDALGO ISSUE FROM SAN LUIS POTOSI.
Realized: $2,800