Comments:
   Current literature tells us that there are no original 1851 proofs.
We've left this place in our die marriage listings because we believe that there's at least a slight chance
that one will be identified at some point in the future.
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Obverse P1
TBD
1851 Obverse P1 - Currently unknown
If an original 1851 proof exists it could use the 1851 business strike obverse, but more likely one of the two currently known
proof obverses, or even a third currently unknown obverse.
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Reverse 1840 PA
At least one example of a proof which uses this reverse die has been confirmed for every year from 1840 through 1854 except
1851 and 1853. Our intuition tells us that at least one or two original proofs exist for these dates. If so they would almost
certainly feature this reverse die.
Reverse 1840 PA defects on A3
Reverse 1840 PA Die States
- Perfect die.
No later die states have been observed.
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