A three dollar bill was proposed two times during the 1860s. A design was engraved for a potential $3 United States Note, and a 1865 law called for a $3 National Bank Note, but neither proposal came to fruition.
|$3 note||Not to be confused with fake or privately issued obsolete notes or the three-dollar Continental currency banknotes issued during the American Revolution|
There have been several United States coins which were proposed but never adopted. Most of the coins listed below, although never adopted, were produced in limited numbers as patterns.
|Silver center cent
|4.48 g||24.00 mm||Cu (ring)
|reeded||1792||The first and only US bi-metallic coin until the 2000 Library of Congress ten dollar coin.|
|various weights||90% Cu
|various||1850–1851, 1853β, 1884–1885||196 ring cents (originals and restrikes) are known to exist. Examples exist with or without a hole.|
|0.937 g||19.05 mm||96% Al
4% trace metals
|3.84 g||~13.00 mm||90% Cu
|Two and a half cent piece
|unknown||unknown||unknown||unknown||never minted||Proposed in 1916 by US mint director Robert W. Woolley.|
Civil War tokens of this denomination exist.
|10.89 g||28.57 mm||95% Cu
|Gold ring half dollar
|Gold ring dollar
|Two dollar piece
|unknown||unknown||unknown||unknown||never minted||Proposed but not minted. Some privately struck renditions exist.|
|7.00 g||22 mm||6.00g Au
|83.58 g||50.80 mm||90% Au
|reeded||1877||Commemorative coins of this denomination were issued in 1915.
Several bullion coins are produced in this denomination.
|unknown||never minted||Canceled before any patterns could be minted (fantasy coin shown).
Some commemorative and bullion coins are minted in this denomination.
- ^α Pattern coins for the ring cent were struck in various metals, including copper, aluminum, and nickel, as well as billon.
- ^β 1853 ring cents are restrikes dated 1850, although they can be distinguished from the original 1850 cents in that they use a different reverse design.
- ^γ Although circulation strikes of the Half Union were to be 90% gold 10% copper, only two of the twenty known pattern coins were struck with this composition. The other 18 were struck in 100% copper, although some were later plated with gold by the mint.
- "1792-1856". uspatterns.stores.yahoo.net. Retrieved 2019-03-24.
- "Mint proposed 2.5-cent piece in 1916". Coin World. Retrieved 2019-03-22.
- "J1724/P1934". uspatterns.com. Retrieved 2019-06-25.
- "J1742/P1954". uspatterns.com. Retrieved 2019-06-25.
- "J135/P162". uspatterns.com. Retrieved 2019-06-25.
- "J115/P130". uspatterns.com. Retrieved 2019-06-25.
- "J136/P163". uspatterns.com. Retrieved 2019-06-25.
- "Dr. Sol Taylor: Our Odd-Denomination Coins". Retrieved 22 March 2019.
- "Coin Designs by Daniel Carr. 1987-2001 Apollo Astronaut dollar, two dollar bi-metallic circulating coins". Retrieved 23 March 2019.
- "Fifty Dollar". uspatterns.stores.yahoo.net. Retrieved 2019-03-27.