D. L. Hansen. 19th Century Type Set. Proof 的钱币相册
1848 1C PR65CAM
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1859 1C PR66CAM
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1866 2C PR66DCAM
PCGS #93632
1864 3CS PR68+ CAM
PCGS #83714
1878 5C PR67DCAM
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1898 5C PR67DCAM
PCGS #93896
1829 H10C PR64
PCGS #4294
1869 H10C PR68DCAM
PCGS #94452
1837 10C Seated PR64
PCGS #4718
1859 10C PR67CAM
PCGS #84748
1877 20C PR66CAM
PCGS #85305
1820 25C PR66
PCGS #5365
1890 25C PR68DCAM
PCGS #95591
1839 50C No Drapery PR64
PCGS #6381
1860 50C PR67CAM
PCGS #86414
1868 50C PR68CAM
PCGS #86426
1874 50C Arrows PR67
PCGS #6435
1898 50C PR68DCAM
PCGS #96545
1869 $1 PR67DCAM
PCGS #97017
1890 $1 PR68DCAM
PCGS #97325