Patina...How to???

Never understood intended patina. My cousin did it to his 55 Ford F100 that had a gorgeous yellow paint job my uncle did. My uncle is the kind that if it isn't just right he strips and redoes it, even if he is the only one that seems or knows about the blem. Now it looks like polished rust, but I guess it stands out in the sea of patina'd, air bagged, LS swapped C10's in Phoenix.

If you want patina leave it alone and let it come on it's own because that's what patina is, aged wear.