Guatemalan quetzal on August 20, 2007. The Bank of Guatemala has also introduced a 5 quetzal polymer banknote on November 14, 2011. Guatemalan quetzal The quetzal (; code: GTQ) is the currency of Guatemala, named after the national bird of Guatemala, the resplendent quetzal. In ancient Mayan culture, the quetzal bird's tail feathers were used as currency. It is divided into 100 "centavos" or "lenes" in Guatemalan slang. The plural is "quetzales". The quetzal was introduced in 1925 during the term of President José María Orellana, whose image appears on the obverse of the one-quetzal bill. It replaced the peso. Until 1987,
A Monetary History of the United States hands were tied. According to Eichengreen, in order to maintain the credibility of the gold standard, the Federal Reserve could not undertake actions (such as drastically increasing the money supply) in the manner advocated by Friedman and Schwartz. James Tobin, while appreciating the rigor with which Friedman and Schwartz demonstrated the importance of the monetary supply, questions their measures of the velocity of money and how informative this measure of the frequency of monetary transactions really is to understanding the macroeconomic fluctuations of the early-to-mid 20th century. A Monetary History of the United States A Monetary History of the United