Mexico, 1868, 50c black on yellow, Queretaro. Perf'd, cons. 12-68, tied by bold Jalpan boxed handstamp (Schatzkes 1311) on cover front via its district office to Esteban Benecke Company in Mexico City, Very Fine, scarce usage from a multiple rate letter. Scott No. 55  Estimate $200 - 300. $0 (Image)