| Manuscripts for: Bridgeport Centre | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | c | MI | 05-09 | 1861 | #26 | sag | View Letters |
| Privately Owned | c | MI | 10-24 | 1863 | 2 #65 | sag | No |

| Manuscripts for: Bridgeport Centre | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | c | MI | 05-09 | 1861 | #26 | sag | View Letters |
| Privately Owned | c | MI | 10-24 | 1863 | 2 #65 | sag | No |