Dual-Lite Exquisite Denver Code Exit Signs (Google Street View Finds)

These signs are the main contribution to my great interest for Denver code exit signs of the 60's, 70's, 80's, and 90's that required the green background with white letters. Notice: The back sign looks as if it could be a prescolite.

Note: This is a screen shot from Google Street View, not my own photo.

Done