Seldom offered key marked IN Ry for the Illinois Northern Railway was in operation from 1901 to 1975. Nicely stamped IN Ry on the front with the small Adlake on the back side. Since having the small Adlake a later issued key. The Illinois Northern an Industrial switching railroad serving the Chicago's Southwest side. One main reason their keys are difficult to obtain. They only had 16 miles of track with their main yard located at 26th & Western. A key possibly missing from many collections.
