The coin being described appears to be a unique or special issue, specifically from the year 1861, and is linked to Dr. Frederick Rose, identified by the variant code J-PE-29. Its designation as "AR" suggests it may be made of silver, while the dimensions listed—dimensions of 0.00000000—indicate that either the coin's specifications were not recorded or it is not intended for circulation as a conventional coin would be. As for the coin's mintage, it is listed as '0', implying that it is either a prototype, a presentation piece, or a non-minted coin that was not officially released. The absence of a mint mark suggests that it could have been produced in a location where such marks are not present or applicable. Overall, it seems that this coin represents a significant historical piece possibly related to experimental coinage or a commemorative item, rather than a standard circulating currency. Its rarity and unique characteristics may contribute to its potential value to collectors, particularly those who focus on numismatic items from the 19th century or related to specific individuals like Dr. Frederick Rose.
| Country | United States of America |
| Year | 1861 |
| Serie | U.S. Mint Medals - Julian |
| Denomination | Other / Varied |
| Mint | Unknown |
| currency | USD |
| currency-amount | 0 |
| diameter | 0 |
| height | 0 |
| mint-mark | None |
| mintage | 0 |
| type | Coins |
| variant | (-62) J-PR-25 AV GEORGE WASHINGTON 18mm |
| weight | 0 |
| width | 0 |
| year-display | 1861 |