Do you need early (mounts in center) or late (mounts on end)? Do you have a 3 window coupe (different again)? Le Baron Bonny may have the late ones, lebaronbonney.com, 800 221-5408. There was a guy selling reproductions of the early ones in the V8 Times (I could probably find it if you need it). I haven't seen the reproduction of the early ones but understand they are fiberglass and look very good. With the cost of the reproductions, I was considering glueing a couple off pieces of masonite together (to make a material that was the right thickness) and making my own.
Charlie Stephens