Coat of arms of the Union of Soviet Socialist Republics from 1958 to 1991
Own work from Image:Soviet Hammer and Sickle and Earth.svg and Image:Soviet coat of arms.svg. It was then corrected and is believed to be close to official version, for example, one from the 3rd ed. of the Great Soviet Encyclopedia, available online here
Madden, reworked by F l a n k e r