The "Polyglot Ruble". The languages and currency names on back are the following:
Russian, large (Rubley), Ukrainian (Karbovanetsiv), Byelorussian (Rublëy), Uzbek (Sum), Kazakh (Som),
Georgian (numeral), Georgian (Maneti), Turkmenian (Manat), Lithuanian (Rublių),
Romanian in Cyrillic script (Ruble), Latvian (Rubļu), Kyrgyz (Som), Tajik (Sum), Armenian (Roubli), Azerbaijanian (Manat),
& Estonian (Rubla).
Please refer to the attached picture for actual condition of the banknote.