Airmail cover with manuscript 'Return: Dietrich Braun, Grossweide, Camp 45, Colonia Neuland, Chaco, Paraguay' return address on reverse franked with 1946 5c pink & 30c emerald green and 1948 10c blue (SG 631a, 631c & 686) tied by two good strikes of CORREO COL. NEULAND cds in blue dated 2 DIC 1951. Addressed to USA. Colonia Neuland was a Russian Mennonite settlement founded in 1947 by Russians fleeing the Soviet Union after WW2. Uncommon origination.