* Authorized: Act of Feb. 21, 1864
* Composition: 95% copper, 5% tin, and zinc.
* Weight: 1.67 grams.
* Diameter: 17.9 millimeters.
* Thickness: 1.2 millimeters.
One Cent Piece
* Authorized: Act of April 22, 1792.
* Composition: 95% copper, 5% tin, and zinc.
* Weight: 2.5 grams.
* Diameter: 19 millimeters.
* Thickness: 1.5 millimeters.