Philadelphia life of dies. United States Mint die coinage records, gathered from the National Archives & Records Administration, courtesy of Roger W. Burdette.
Denver pieces per die. United States Mint die coinage records, gathered from the National Archives & Records Administration, courtesy of Roger W. Burdette.
Philadelphia dies destroyed. United States Mint die coinage records, gathered from the National Archives & Records Administration, courtesy of Roger W. Burdette.