As far as I know all 3 years, 71-73 either had the black or the white paint on the trim. I replaced all my top trim with NOS Ford trim. Only colors I've seen were black and white. I was able to get most of the pieces in white, but a couple were black. I ended up repainting all of them white so the white would match. My car originally came with a white top. My Dad bought this car used for my mother between 1978-1980 and it had a black top installed. Someone had painted the trim black over the white. As the black paint got chips in it there was some white showing. This is its 5th and hopefully final vinyl top.
Some people have stripped the paint off their moldings, so they are only polished aluminum. As far a s I know none came from the factory that way.