Excellent quality reproduction badge - Soviet Technical school of OGPU(Joint State Political Directorate)
Insignia from joined brass parts and hot enamel Red Star with Hammer and sickle.
Heavy Brass Metal - weight 22 grams.
Badge with screw at the back to fix it to a hat or jacket.
OGPU - was the intelligence service and secret police of the Soviet Union from 1923 to 1934.
Formed - 15 November 1923; 98 years ago
Dissolved - 10 July 1934; 87 years ago