The Penny Post Co., San Francisco, Paid 5(c) frank (34Lu3, Haller FP10, type 1a), printed local delivery express company frank, used with 3c Red on buff entire (U10), cancelled by mostly clear Stockton Cal. datestamp, to San Francisco, trivial edgewear, fresh and very fine, very scarce in this condition, Stockton was one of the large towns that was also serviced by this local delivery company, 1855-1856