Sure! Please provide the properties of the coin you'd like me to describe, such as its type, year, mint mark, condition, and any other relevant details.
| currency | USD |
| currency-amount | 2.5 |
| diameter | 18 |
| height | 0 |
| material | Gold |
| mint-mark | P |
| mintage | 18859 |
| type | Coins |
| weight | 4.18 |
| width | 0 |
| year-display | 1840 |