United States Express Co./From Taylorville, Ills. Black on green label (Mosher USX-L187 var.) affixed on cover with illustrated corner card of the "United States Express Co." (Mosher USX-C6) to "Wells, Fargo & Co's Ex., San Francisco", insignificant opening slit along top, Very Fine and attractive. Estimate  $150 - 200. $0 (Image)