| Manuscripts for: Sonoma | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | c | MI | 04-07 | 1886 | 1c GPC | cal | No |

| Manuscripts for: Sonoma | |||||||
| Number | Stampless(s)/Cover(c) | State | Date | Year | Marking | County | On ErniesMichigan.com |
| Privately Owned | c | MI | 04-07 | 1886 | 1c GPC | cal | No |