Lot
860 o
Mexico, 1866, 7c deep gray, San Luis Potosi, cons 58-1866, block of 4, San Luis Potosi town cancel, margins large to just shaving at upper left, rich color, couple creases, otherwise F.-V.F., an extremely rare used multiple (NF $800 for block); with 2016 MEPSI certificate. Scott No. 26a Estimate $750 - 1,000.
Realized: $675