Cover with printed 'Salvador T. Fuentes, C. Guzman, Jal., Mex.' return address on front franked with 1924 10c rose carmine (SG 442) tied by fine SERVICIO AMBULANTE 68 duplex cancel dated 21 MAR 1930 (F.C.C.M. Guadalajara - Manzanillo line). Addressed to USA with nice red on orange oval 'Typewriter' CINDERELLA label on reverse.