I have a 1972 Plymouth Scamp that's been sitting for 25+ years, how much is it worth?

You definitely came to the right place to find a buyer. Your grandpa was a cool car guy from the looks of the garage!!
Thanks, he was definitely a cool guy. He had a used car lot in the 80's-90's and always had all kinds of cool cars he bought and sold. By far my favorite was his 1950's Ford Fairlane retractable. He ended up selling it years before he passed away.

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