Longacre, in Miss Liberty’s hair behind her neck. There was also a slight design modification that placed an “L” for the last initial of the designer, James B. This change happened during the year and thus resulted in two primary types of 1864 pennies, the copper-nickel and the bronze. Mint switched from the copper-nickel alloy that had been used since 1856 to the more familiar bronze composition.
1864 Indian Head cents mark an important transition in the series, because that was the year that the U.S.
