The Mars Rovers Collection
| Item | PCGS No. | Date | Denom | Grade | Pop | Pop Higher | Owner's Comments |
| Gold Dollar, Type 1 (1849-1854) | 7521 | 1853 | G$1 | MS63 | 989 | 804 | |
| Gold Dollar, Type 2 (1854-1856) | 7531 | 1854 | G$1 | MS61 | 201 | 960 | |
| Gold Dollar, Type 3 (1856-1889) | 7575 | 1874 | G$1 | MS64 | 499 | 231 | |
| Liberty $2-1/2 (1840-1907) | 7859 | 1907 | $2.50 | MS63 | 2672 | 3791 | |
| Indian $2-1/2 (1908-1929) | 7953 | 1929 | $2.50 | MS63 | 3723 | 1831 | |
| Indian Princess $3 (1854-1889) | 8000 | 1878 | $3 | AU58 | 949 | 3510 | |
| Liberty $5 (1839-1908) | 8400 | 1900 | $5 | MS64 | 893 | 117 | |
| Indian Head $5 (1908-1929) | 8514 | 1909-D | $5 | MS63 | 9715 | 2930 | |
| Liberty $10 (1866-1907) | 8749 | 1901-S | $10 | MS64 | 3524 | 1300 | |
| Indian $10 (1907-1933) | 8884 | 1932 | $10 | MS63 | 18322 | 11217 | |
| Liberty $20 (1850-1907) | 9045 | 1904 | $20 | MS64 | 30556 | 4953 | |
| St. Gaudens $20 (1907-1933) | 9177 | 1924 | $20 | MS64 | 81822 | 49464 | |
