Fender tele dating
Some might go by the pot codes, but those could have been stock a year or more old by the time they were put into the newly finished guitar.
Or perhaps the guitar was even assembled by various parts picked up over the years and is being passed off as "All original".
Most Natural and Sunburts finished guitars seem to be three-piece bodies, painted ones may be more.
Necks are Maple, and are constructed from one complete piece if they have a Maple fingerboard.
They are believed to just be some kind of quality check stamps.