Re-listed https://chicago.craigslist.org/chc/cto/d/champaign-1972-buick-lesabre-convertible/7348099068.html
I have the same car, although mine doesn't look nearly that good. You wouldn't happen to have many parts that you're looking to sell do you?
This is the leads section, where members post stuff they find on Craigslist, Facebook, and such. There's a parts for sale section down a bit further and also a parts wanted section.