CCCP Soyuz Sovyetskikh Sotsialisticheskikh Respublik

• The Union of Soviet Socialist Republics (USSR), as a Latin letter imitation of the Cyrillic Russian initialism СССР (equivalent to SSSR in Latin letters), which stands for Союз Советских Социалистических Республик
  
• (transliterated: Soyuz Sovyetskikh Sotsialisticheskikh Respublik).
• Fuente: Wikipedia