10c red 'Wells Fargo' postal stationery envelope (UPSS #WF48, H&G B32) used as postage attached in full to the reverse of a cover with 'Consolidated Kansas City Smelting & Refining Co. Apartado del Correo 604, City of Mexico, Mexico' imprint on front (known as a paste-up) with stamp tied by oval EXPRESS WELLS FARGO Y CIA MEXICO cancel in blue dated 20 FEBR 1894. Addressed to 'The International Mining Co., c/o Agent CATALINA. F.C.I.M. via Torreon' with three line '*H, WHITTLE.,H* RUTA F.C.I.M. C.P. DIAZ Y DURANGO' arrival mark in blue also on the postal stationery envelope. The addressed envelope is a little toned but otherwise a rare item complete with envelope.