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smilie in place of the real @
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The situation the Johannes describes is the second version. Initially everything was aluminum and the dog leg piece fit over the interior dog leg panel and the doors did not have the chrome buttons on them.
...Should they covered in leather or vinyl ?
On my 59 the dash rail, door toppers and dog leg are all covered in leather and the 3 pieces around the rear are covered in vinyl. I have redone them this way but I think that is as original.
Take a look at the interior shots of this supposedly all-original car with the rare Targo Purple interior. So typically, the Vynide has faded to a sort of grey-blue, so it's quite easy to tell what was originally leather and what was originally Vynide!
https://cgi.ebay.com/ebaymotors/196...ash=item568fd582f2:g:MT8AAOSwLF1X~Egi&vxp=mtr