You are bidding on an amazing condition vintage American Plate Light “ mfgr’d by “ American Automatic Device Co. Chicago “.  back plate. Tested operational at 6v, ( did not try 12v for fear of blowing original 

lamp ) located in side a clear heart shaped glass lens. Est. to be Circa 1920’s –30’s for large automobiles of the time as an accessory. Aluminum back plate measures 15” wide x 11” high, with wrought iron steel brackets and original carriage bolts. 1932 Ohio plate included.