Lot
2100 
Mexico, 1872, Hidalgo imperf, 6c green, block of four, San Luis Potosi, unwatermarked, 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 four usage. Scott No. 93 Estimate $100 - 150.
Realized: $140