Hand-engraved (not struck) piece with incuse lettering and inscriptions, made by Longacre to test the diameter and concept. Not a coin in the regular sense. Square hole at center. Analysis of certain of the gold issues reveals them to range widely, from 50% to 100% fine.
| Country | United States of America |
| Year | 1849 |
| Serie | Patterns |
| Denomination | $1 (One Dollar) |
| Mint | Philadelphia |