A 40’s lighted sign from Amenican Engraving Co. of Philadelphia.  Probably designed for placing on a cash register top. 14 inches wide with a clear plastic top.
A beautiful cash register clock and lighted sign from the 40’s. This is a reverse-on-glass with metal base by Tel-A-Sgn of Chicago. It has a clear plastic clip-on piece at the bottom. Notice that they even used that for advertising.
A 50’s plastic lighted sign from the American Engraving Co. of Philadelphia. This one is 12 inches wide. Again, probably designed for placing on a cash register. Notice the cloud design that Steg used during that period.