Pacific Union Express, San Francisco, mostly clear blue double circle express company datestamp, used with red Pacific Union Express Co. Paid printed frank (Haller FP4, type 1), ribbon design, on 3c Pink entire (u58), cancelled by express marking, all on gray all-over lithographed ad for Sweepstake Plow Co., San Leandro Cal., to Hollister Cal., irregular reduction at R. affects indicia and bit of ad, wax spot, still very presentable and nearly fine, scarce and attractive use from a short-lived company