Top frame paint color?

Here's my top with a black strip. White outer top material with black inside color. Black frame. It's a bit hard to see it in the first photo, so, I pulled it away from the header a bit in the second.

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Thanks! Does it looks like the top mecanism was painted black from factory? If it was a white top from start did tjey change the color?
Or have some previous owner change the top? Usually you can see it on the top frame on the pads or on the sides close to the quarter panel?