Lot
2142 
Mexico, 1914, 20c Sonora Coach Seal, Guaymas "E C" provisional overprint, two singles, tied on bank cover to Nogales, Sonora carried through the U.S. with stamps canceled by "San Francisco, Cal., Nov 7, 1915" duplex postmark, rough top margins and one stamp faulty, Fine, a very rare and interesting usage. Follansbee No. Guaymas 4. Scott No. 398 var. Estimate $100 - 150.
Realized: $80