Believe they are Lincoln, at least that's what the guy I sold them to said they were. Difference between those and Ford is the Lincoln has no provision for holding on small hub cap, in other words no "tits" around hubcap opening, or clips.
I have purchased 2 pairs from 2 different sellers and on both occasions they were marked up as 53 F1 and when blasted they were both marked up 53 Kev
The Jalopy Journal
