Lot
2316 
Mexico, 1872, 6c green, San Luis Potosi, block of four, cons 37-72, tied by two strikes of San Luis Potosi circular handstamps (Schatzkes 1460) on 1872 folded letter to Mezquite; light file fold affecting right pair, otherwise Very Fine, a scarce block of 4 usage. Scott No. 93 Estimate $200 - 300.
Realized: $160