Soviet Union 1925 return receipt postcard to Moscow, 15 September 1925

Soviet union 1925 registered return receipt postcard to the "vneshtorgbank of the ussr" (or "bank for foreign trade of the ussr") in moscow. Franked with 14k worker, backside 6k revenue. See also this article of j. L. Shneidman in rossica journal on these cards and their rates. Date: 15 September 1925.