| Mint Mark | Years of Operation | U.S. State | City | % Correct |
|---|---|---|---|---|
| CC | 1870-1893 | Nevada | Carson City | 94%
|
| D | 1906-Current | Colorado | Denver | 94%
|
| O | 1838-1909 | Louisiana | New Orleans | 94%
|
| P | 1792-Current | Pennsylvania | Philadelphia | 94%
|
| S | 1854-Current | California | San Francisco | 94%
|
| C | 1838-1861 | North Carolina | Charlotte | 88%
|
| W | 1937-Current | New York | West Point | 63%
|
| D | 1838-1861 | Georgia | Dahlonega | 31%
|