Today I want to share my experience in commemorative USSR coins. Here will be descriptions of all USSR commemorative roubles coins in 1990 years.

1990

1 rouble
   130th anniv. of Anton Chekhov's birth.
   Diameter: 3.1 cm, circulation: 3 000 000.

   150th anniv. of Pyotr Chaikovsky's birth.
   Diameter: 3.1 cm, circulation: 3 000 000.

   45th anniv. of Soviet people's Victory over fascist Germany in the Great Patriotic War (1941 - 1945) (Marshal of the Soviet Union Georgi Zhukov).
   Diameter: 3.1 cm, circulation: 2 000 000.

   500th anniv. of Francysk Skaryna's birth.
   Diameter: 3.1 cm, circulation: 3 000 000.

   125th anniv. of Jānis Rainis's birth.
   Diameter: 3.1 cm, circulation: 3 000 000.

5 roubles
   The Grand Palace in Peterhof.
   Diameter: 3.5 cm, circulation: 3 000 000.

   Cathedral of the Dormition in Moscow.
   Diameter: 3.5 cm, circulation: 3 000 000.

   Matenadaran Institute of Ancient Manuscripts in Yerevan.
   Diameter: 3.5 cm, circulation: 3 000 000.