1) Currency of Russia 
The ruble or rouble (рубль, rublʹ, plural рубли́, rubli; see note on English spelling) (code: RUB) is the currency of Russia and the two partially recognized republics of Abkhazia and South Ossetia. Formerly, the ruble was also the currency of the Russian Empire and the Soviet Union before their dissolution. Belarus and Transnistria us...