Overspray/defrost timer
I recollect buying a two-can kit in the mid-70's to touch up some scratches on the hideous harvest gold refrigerator my folks had. So it could be both - factory original and touched up.
We had to put a new defrost timer in our 1967 Frigidaire Custom Deluxe (sunny yellow, last year, I believe) and went with a generic from the local parts store. It works fine (and yes, I know the early-end system isn't used). Sometimes, it's cheaper and easier to replace those dratted timers than to fix them.