huskybob, Love the H.Earl Clack color in the SW OK can!
Here is a Canadian sign for Sherwin Williams OK auto paint. And a DuPont Duco, Dulux sign from Canada. A Lucas auto refinishing flange sign.
One of my favorites are the wipe-on "powder puff" auto paints. Applied with a pad, they leave "no brush marks!" The Namel-et can says, "Use only on cheap used cars."