My friend runs the town's historical society. People regularly give him boxes of crap to deal with. One of the things in one of the boxes was a stock certificate for the Murray Motor Car Company in Boston MA. He'd never heard of it, couldn't find anything online. I'd never heard of it, but, you know me....
A few hours later and a LOT of scraping through Newspapers.com and the Internet Archive's old books and car magazines, presto! The cybertrucks of their day!