The three-dollar piece was a gold coin produced by the United States Bureau of the Mint from 1854 to 1889. Authorized by the Act of February 21, 1853, the coin was designed by Mint Chief Engraver Jame
1855 S Three Dollar Proof
The United States dollar is the official currency of the United States and several other countries. The U.S. Coinage Act of 1792 established the dollar as the base unit, with each dollar divided into
Three-dollar piece
…Three-dollar piece ($3) United States Value 3 United States dollars Mass 5.015 g Diameter 20.5 mm (.807 in) Edge reeded Composition 90% gold, 10% copper Gold .1451 troy oz Years of minting 1854 (1854)–1889 (1889) Mint…
Spanish silver eight-real or peso of 1768
Alexander Hamilton finalized the details of the 1792 Coinage Act and the establishment of the U.S. Mint.
Continental one third dollar bill (obverse)
Series of 1917 $1 United States Note