This unique coin is a trial piece from the United States Mint, specifically struck in Philadelphia in the year 1840. It is classified under the category of "Patterns & Trial Coins," which are experimental designs or compositions created to test new ideas before final production. The coin has a denomination of 10 cents (10¢) and is made from a material known as white metal. However, precise measurements such as its diameter, weight, and height are not provided, indicating it may be a prototype or non-standard specimen with little to no parameters established — possibly due to its nature as a trial coin. This piece does not bear a mint mark, suggesting it was produced in Philadelphia, the primary mint at the time. Importantly, it is designated as a "Mint Strike," which means this coin was officially produced by minting processes, albeit for test purposes. The mintage of this particular coin is listed as zero, which implies that there may not have been an official release or mass production, rendering it exceptionally rare. As such, it is highly valued among collectors of numismatic rarities due to its historical significance and the experimental nature of its design. Overall, this 1840 trial coin is a remarkable collectible that reflects a pivotal moment in U.S. coinage history, embodying the spirit of innovation and experimentation that defines mint processes.
| currency | USD |
| currency-amount | 0.1 |
| designer | N/A |
| diameter | 0 |
| edge-type | N/A |
| height | 0 |
| material | White Metal |
| mint-mark | None |
| mintage | 0 |
| type | Coins |
| weight | 0 |
| width | 0 |
| year-display | 1840 |