| Manuscripts for: Steam Mill(s) | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | s | MI | 05-24 | 1848 | Paid | oak | View Letters |
| Privately Owned | s | MI | 03-08 | 1848 | Paid 10c | oak | View Letters |

| Manuscripts for: Steam Mill(s) | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | s | MI | 05-24 | 1848 | Paid | oak | View Letters |
| Privately Owned | s | MI | 03-08 | 1848 | Paid 10c | oak | View Letters |