Cover franked with $1, with handstamped "SERVICIO OFICIAL" ovpt. in red, sent from Curuzú Cuatiá (Corrientes) to B.Aires on 26/AP/1957, several army marks, VF
Cover franked with $2.40 (GJ.1039 + 1083), both with handstamped "SERVICIO OFICIAL" ovpt., sent from Mendoza to Curuzú Cuatiá (Corrientes) on 13/SE/1957
Cover franked with 25c. (GJ.402 strip of 5), with varieties: 2nd stamp, "J" thin and without period, and 5th stamp "M" broken, used in Buenos Aires on 15/JUL/1924, staining
