Cigarette Lighter on '66 Barracuda

I've been trying to figure out whether the cigarette lighter on my '66 Barracuda (mounted under the dash below the radio) is original or not. I understand a lighter was an option on these cars, but that they were not too common. The build sheet is under the back seat, but I'm not able to get a good look at it to see whether the lighter is listed or not. I could not find any manufacturer markings on the lighter itself.

Could someone post a photo of a lighter known to be original or at least describe what it should look like or where it would be mounted?

I plan to remove it if it isn't original.

Thanks.
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Here's one I have in a '66 Barracuda slant 6 3speed on the column car. This one is just a hair left of center of the radio opening. It was a low mileage virgin when I bought it 27 years ago so I don't think it's an add-on unless the dealer did it when it was new but it's painted the same color as the dash so that's unlikely. I've seen many others in '66 Barracudas over the years that all looked like this one. It's held on with 2 phillips head screws. All my other ones are console cars so they have the lighter under the slide cover.