5 Roubles

Arktikugol — a Soviet-era coal trust operating the Barentsburg settlement on Svalbard — issued spitsbergen tokens periodically throughout the 20th century as functional scrip for workers paid and spending within a closed Arctic economy. Norway's sovereignty over Svalbard under the 1920 treaty permitted Russian commercial activity on the archipelago but created a practical currency problem; Norwegian krone circulated officially, yet the trust preferred to keep wages cycling internally. The 1998 issue appeared just as Russia's economic collapse made rouble-denominated scrip increasingly awkward to justify.