Cover with printed 'Salvador T. Fuentes, C. Guzman, Jal., Mex.' return address on front franked with 1924 1c brown and 10c rose carmine (SG 436 & 442) tied by fine SERVICIO AMBULANTE 228 duplex cancel dated 30 JUL 1929 (F.C.C.M. Manzanillo - Guadalajara line). Addressed to USA with nice red on orange oval 'Typewriter' CINDERELLA label on reverse.