A Russian Soviet era military insignia of NKVD, enameled award badge For the Merciless Fight Against Counter-Revolution. Ca. 1920s to 1930s. Emblem with sword and USSR coat of arms, profile of Felix Dzerzhnsky in the center, inscription Proletarians of all countries, unite! on the bottom. The Peoples Commissariat for Internal Affairs, abbreviated as PCIA or NKVD, was the interior ministry and secret police organization of the Soviet Union. Felix Dzerzhinsky, 1877 to 1926, was a Bolshevik politician and the first leader of Soviet Russian secret police, Cheka. Militaria, Awards And Badges, Soviet Historical Collectibles, Insignia.