1860 $20. The gold and copper examples of J-272a and J-273 are each from different reverse dies. J-273 was possibly struck at a date later than on the die. Unique. Housed in the collection of the Smithsonian National Collection.
| Country | United States of America |
| Year | 1860 |
| Serie | Patterns |
| Denomination | P$20 |
| Mint | Philadelphia |