The moulding is both, it is a chrome moulding with a silver painted center. No, as far as I know there was never a vinyl top option. They did have a vinyl top looking moulding. They did paint the top making the car a two tone.
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Life long Buick fan,
1965 Gran Sport Conv.
1965 Skylark H/T
1948 Chevy P.U. with 401 in it.
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