I thought those seats looked a lot like the ones I had in an Ford van I used to drive. Mine was a '68 but I think the seats were from a "72.
If you were closer to me I might help you out with a cheap set of 1964 seats you could redo. Maybe if I head your way on vacation someday or something. I'm not quite ready to get rid of them yet anyway. Need to pick the best 2 out of the 4 I have...
Oh...I like your shifter handle too. Had a skull with red eyes that lit up for the handle on the jockey shifter on my Harley.