D. L. Hansen. Copper Types (1793-1964) 的钱币相册
1793 1/2C MS65BN
PCGS #1000
1855 1/2C MS65+ RD
PCGS #1235
1802 1C S-234 MS67RB
PCGS #36312
Newcomb- Morganthau- Sheldon- Naftzger- Parrino- Holmes- Pogue- Hansen
1853 1C MS67RD
PCGS #1903
1859 1C PR66CAM
PCGS #82247
1954 1C PR68DCAM
PCGS #93371
1962 1C PR69DCAM
PCGS #93398
1866 2C PR66DCAM
PCGS #93632