I have encountered similar wheels, we bought five wheels from a junk yard in Idaho that were very similar, with a 5 on 5.5 bolt pattern, which is Ford and Mopar. A lot of research turned up a listing for Motor Rim during the mid thirties, the brochure called the rims "Sun Burst", they were an original orange color with faint pin stripping on the spokes, rim was 15x6.5.. My friend put them on his RAT Rod.
I think the style of the wheel indicts that they were intended for large cars, Chrysler, etc. and or pickups/station wagons..
Several years ago I had a '36 International 1/2 ton that had similar wheels.