Font type B Prefix XX, Xx Intro: 1981 1 рубль (ruble)
Details
Obverse: Russian text; state emblem of the USSR
Reverse: Armenian, Azerbaijani, Belarussian, Estonian, Georgian, Kazakh, Kirghiz, Latvian, Lithuanian, Moldavian, Russian, Tajik, Turkmen, Ukrainian, and Uzbek text; guilloches