Fractional currency (United States)

Fractional currency, also referred to as shinplasters, was introduced by the United States federal government following the outbreak of the Civil War. These fractional notes were in use between 21 August 1862 and 15 February 1876, and issued in 3, 5, 10, 15, 25, and 50 cent denominations across five issuing periods. The complete type set below is part of the National Numismatic Collection, housed at the National Museum of American History, part of the Smithsonian Institution.