"The pengő (Hungarian: [ˈpɛŋɡøː]; sometimes written as pengo or pengoe in English) was the currency of Hungary between 1 January 1927, when it replaced the korona, and ...
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31 July 1946, when it was replaced by the forint. The pengő was subdivided into 100 fillér. Although the introduction of the pengő was part of a post-World War I stabilisation program, the currency survived for only 20 years and experienced the most serious case of hyperinflation ever recorded." - (en.wikipedia.org 05.10.2019)