El Fuerte, Sinaloa, Mexico, Cover to San Francisco Mailed at the U.S. Consulate, Acapulco. Placed aboard the northbound Pacific steamer at that port, attractive consular seal in blue, mailed unpaid with the PMSS Co.'s steamer and charged 10 cents rate upon arrival at San Francisco July 4, 1862, Very Fine. Estimate  $300 - 400. $0 (Image)