15x10 Small Bolt Pattern Aluminum Slots?

I think I have some 15 X 9.5 Centerline wheels 5 on 4. But not slot style. The flat reverse dish with the rivets all around. Matching 15 by 3.5 fronts. I think the offset on the rears is odd though.
Like these?

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Double drilled for 5 on 4 1/2, but originally 5 on 4. 15x7 front half, 15x14 rear half.