Many moons ago they charged you to pick up your wrecked or un working vehicles, so this guy would go around and pick up what he liked for free. Unfortunately like many others he probably didn't want to sell thinking he'll get to it, but then time passes you by, shame.
I think the transmission is listed now https://hartford.craigslist.org/pts/d/1970-buick-turbo-400-bb-code/6702455586.html
He sent me a couple of photo's of the old mans 70 GS Stage1 4 speed car that's been sitting for years. Numbers matching, engine out, all documentation 5k firm.