https://revslib.stanford.edu/?f%5Bpeople_ssim%5D%5B%5D=McQueen%2C+Steve&page=1&per_page=100
The last it was seen was an article in the 1963 Sports Car Graphic, article by Jerry Titus. It was sold to a guy who even drag raced it at Half Moon Bay in 1963, and set a record. It was hanging around the track when a dragster went out of control and ran into it, cutting it in half.
http://www.tamsoldracecarsite.net/MitchGoldsteinMcQueenSprite.html
