USSR Order of the Red Star Badge. The Order of the Red Star was a military decoration of the Soviet Union.
It was established by decree of the Presidium of the Supreme Soviet of the USSR of 6 April 1930[1] but its statute was only defined in decree of the Presidium of the Supreme Soviet of the USSR of 5 May 1930. [2] That statute was amended by decrees of the Presidium of the Supreme Soviet of the USSR of 7 May 1936, [3] of 19 June 1943, [4] of 26 February 1946, of 15 October 1947, of 16 December 1947[5] and by decree No 1803-X of 28 March 1980.Badge is 1.75" x 1.75", It appears to be sterling silver, but not confirmed. Screw back on reverse side is solid brass.