Yea, they're on a 35 Ford...don't think they are 35 Ford wheels.. Anthony, also reminds me of 36 Ford wheels, but those would be wide 5 I have no clue, somebody here knows The ring that holds the cap is welded on, appears to factory, the opening aprox. 7-3/4"
google images has a bunch of photos of different artillery wheels search this: 5x5.5 bolt pattern artillery wheels 1930's 5x5.5 bolt pattern artillery wheels 1940's
They are aftermarket for 28-35 Fords. https://www.jalopyjournal.com/forum/threads/what-are-these-wheels-on-my-32.577350/#post-6411301