Mexico, (Mazatlán) Rosario (Mineral del). Two different postmarks on covers to the U.S. Consul in Veracruz; 1838 red two-line handstamp (Yag Bash unrecorded) and 1840 red straight line handstamp (MZ115, rarity 9); file folds not affecting markings, otherwise Very Fine. Estimate  $500 - 750. $0 (Image)