The free exchange of currency in Russia’s economic transition and its enlightenment is an interesting topic that relates to the history and challenges of the Russian economy in the past three decades. Based on the web search results I found, I will try to give you a brief summary and analysis
The Portuguese Escudo was the official currency of Portugal from 1911 to 2002. It was introduced as a replacement for the Portuguese real and was used until Portugal adopted the euro as its currency.
The Comorian Franc is the official currency of the Comoros, a small island nation located in the Indian Ocean. It was introduced in 1981 to replace the French Franc, which had been in use since the country's colonial period. The currency is issued by the Central Bank of the Comoros and is available in both paper and coin form. The exchange rate of the Comorian Franc is determined by market forces and is subject to fluctuations. While the currency has faced some challenges in the past, such
Mauritanian Ouguiya2017MRU10002017MRU1002017MRU2002020MRU202017MRU5002017MRU50
Bhutanese Ngultrum2008BTN10002015BTN1002013BTN102013BTN12013BTN202015BTN5002013BTN502015BTN5
Gambian Dalasi2015GMD1002015GMD102015GMD2002015GMD202015GMD502015GMD5
Vanuatu Vatu2010VUV100002014VUV10002014VUV20002014VUV2002017VUV50002017VUV500
Cuban Convertible Peso2006CUC1002013CUC102017CUC12008CUC202016CUC32011CUC502017CUC5
Bulgarian Leva2003BGN1002008BGN101999BGN12007BGN202005BGN22006BGN502009BGN5