Swift & Co. Express. Paid. frank (Haller FS12), type 1), printed express company frank, used on 3c Red on buff Nesbitt entire (U10), cancelled by mostly clear blue double-lined oval 'Swift & Co's Express, Santa Rosa', to San Francisco, part top backflap missing, fresh and very fine, scarce in this condition, this company served the area North of San Francisco, 1854-1859