1937–1940 flag of the Nakhchivan Autonomous Soviet Socialist Republic, Azerbaijan SSR, Soviet Union. Based on File:Flag of the Nakhichevan ASSR (1937-1940).svg with hammer and sickle from File:Flag of the Soviet Union.svg and texts remade.
Based on File:Flag of the Nakhichevan ASSR (1937-1940).svg and FotW
Original vector file by Aivazovsky, remade by SiBr4