Wells, Fargo & Co. Express/Guaymas Mexo. Blue oval handstamp on 1860-61 3¢ Star Die entire with Blue Company Frank to Sacramento, Cal., sent via San Francisco with Wells, Fargo & Co. transit double circle handstamp in blue, reduced at right slightly into indicia, Fine, a great rarity as this is the earliest recorded usage of Wells, Fargo & Co. in Mexico. Estimate  $500 - 750. $0 (Image)