Photos 1 & 2 by Tom Plimpton (1983).
Photo 3 by Earl Leatherberry (July 24, 2007).
Photo 4 Bing Map's bird's eye view.
Photo 5-8 by Nancy Fuel Neal (Nov. 15, 2014).
Where to find it
Southeast corner of Jackson St. & Byron St. intersection, in Cicero. To view the MP sign enter the parking lot south along the RR tracks. The MP sign is on the rear of the brick building and faces east. Brown. Unique MP sign. Greatly faded.