Each US dollar is 21,537 dollars in Sao Tome and Principe. Deborah is the national currency of the Sao Tome and Principe Islands in the Atlantic, and was recognized in 1977. In 2009, the country agreed with Portugal to link Deborah’s value to the euro. In June of that year, each euro was valued at 24,607 Debtors.
The world’s least valuable currencies