Mexico, 1868, 6c Black on Buff, Oaxaca, Strip of 4, Tehuantepec 23-69, folded wrapper docketed 22 June 1869, 1st two stamps with two Oaxaca district names, 3rd stamp with "96" year date error, Very Fine. Scott No. 46  Estimate $150 - 200. $0 (Image)