The seller lists this as a 1953 GB2. I thought that was a mistake until I did a search and discovered that this probably means this jeep is part of the second round of serials numbers for CJ-3Bs. In other words, it’s a pretty early CJ-3B.
“1953 Willys GB2. B style so room for new engine. 12 Volt System. Valve stuck in the original flat head. Tranny, lock outs, and diff good shape. Good wheels and tires. I don’t have time to rebuild. Great project. Licensed as collectable. $2,995 or BO.”