Not so lucky! I recently bought the car and tracked down a previous owner who sent the car for paint. Car was part of body shop move and part disappeared from there.
Seats are from 73-74 (no hard back) and rear seats have been recovered so no broadcast sheet either.
I had the fender tagas stolen from two cars. Now I keep and copy of my tags just in case. All you can do is to hope that somehow something will turn up.
Check and see if anything is here at Barry's site.