Flag with 'TWENTY SECOND STREET STATION'; used 1899-1911
| Image2 | |
| City | Chicago (Twenty Second Street Sta.) |
| State | IL |
| Subject | Postal |
| Description | Flag with 'TWENTY SECOND STREET STATION'; used 1899-1911 |
| Year | 1906 |
| Month | 8 |
| Day | 31 |
| Color | black |
| Notes |