USSR coin «150 years since the birth of modest Mussorgsky's» 1 rub., 1989, copper-nickel alloy

Obverse: on top of the coat of arms of the USSR with 15 turns of tape underneath the letters "USSR", the symbol below if the coin denomination, the number "1" and below the word "RUBLE", the bottom edge year of issue "1989".

Reverse: at centre an image of the bust of M. P. Musorgsky. To his left is the birth year of "1839" on the right - the year of death "1881". Under the portrait is a facsimile signature of the composer and the musical notation.