This Post shows the back side with a large "script 2". The CD 132 Patent Applied For insulator purchased in 1973 at a flea market in West Des Moines, Iowa. Based on conversation with the seller, the CD 132 was found in 1970 on the Chicago, Rock Island & Pacific Railroad which ran though Polk Co., Iowa on the Southern side of West Des Moines. Specific details are as follows:

CD-132 Pat App For (Front Skirt) Large Script 2 (Back Skirt) - Beautiful Teal Blue - Crude With Bubbles and Micro-bubbles - Measurements: 77 mm Wide x 110 mm Height.

I will also show a map which trace the Chicago, Rock Island & Pacific route as it runs through Iowa [id=611700933].