The coin is gray, made of an alloy of copper and Nickel (in some catalogues mistakenly listed Nickel). The obverse and reverse of the coins have a raised rim around the circumference. GURT ribbed, consists of a plurality of notches.
On the obverse in the middle of a big emblem of the Soviet Union 1923 with 6 bands of tape on the ears of wheat (the number of languages was then the Federal Republic). The coat of arms is simplified and has no text on the ribbon. Around the coat of arms along the rim from left to right, runs the inscription: "ПРОЛЕТАРИИ ВСЕХ СТРАН, СОЕДИНЯЙТЕСЬ!" The beginning and the end of the label, separated by a horizontal line. The inscription of the coat of arms is separated from the solid circular line.
The reverse of the coin has an outer and inner region separated by a solid circular line. Inside is a relief worker with a hammer in his left hand, holding the shield with the denomination in two lines - "20 КОП" To the right of the person working the year of issue "1933". Outside along the rim of the coin (from the top) indicates the name of the country is divided into two parts - "СОЮЗ СОВЕТСКИХ СОЦИАЛИ"and "СТИЧЕСКИХ РЕСПУБЛИК"(the inscription is separated by working head, and a shield projecting from the internal region).