Wells, Fargo & Co. Assembly Paid, red double-circle oval express markings, two strikes, one mostly clear, used with 3c Dull Red (11), clear to large margins, sheet margin at top, ms. cancel, tied by red octagonal double-frame 'Paid' h.s., on cover to Senator Mandeville, Sacramento City, flap tear, minor nicks at bottom, otherwise very fine, rare marking, used after 1854 when Sacramento became the California state capital