The 1933 Double Eagle was a $20 coin made of gold that sold at auction for more than $7.5 million. More than 445,500 coins were minted, but they were never officially circulated and almost all of them were melted down. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/1933_double_eagle
mint
in 1787 the fugio cent was the first us coin to
In 1787, the Fugio cent was the first US coin to be authorized by Congress and minted. It was made of .36 oz of copper and bore the phrases ‘Mind Your Business’ and ‘We Are One’.
Source: https://www.frbatlanta.org/about/tours/story-of-money/11-after-revolution/fugio-cent.aspx