'31 Model A Seat Question

['31 Patina]

I'm sure this is an easy answer to my question but I'm new to the site and I'm also a proud new owner of a '31 model a coupe.

My coupe was missing the seat when I bought it but the wood frame was still there. I've attached photos and I'm wondering if this was stock? The wood frame attached to a metal seat frame? If so how do I install an original seat to this? I found an original seat but I'm wondering what hardware is needed to attach the seat? Or is this not an original seat setup? Any help on this is greatly appreciated.

Thanks.