Dating a fender stratocaster safedatingsite com
Rosewood fingerboards of 1970's Strats retain the "round-lam" style started in the 60's where a thin laminate is glued onto the curved Maple neck surface. Body Routings: In the 1970's profiles of the pickup routings became slightly wide and squared on the ends. Hardtail models also aquired a dollar sized impression just over 1/4" deep in the bridge pickup rout.
If a solid paint color was applied to the body it was applied right over the shielding paint which may make it hard to see. Finish: Polyester (Aliphatic Urethane Coating), or "poly" as it's most commonly knows as in the guitar industry, was applied as a sealer/basecoat.
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.
Pickup Codes: OOWWYY Example: 202378 - It is believed the first two digits are an operator designation for the person operating the pickup winder, this according to Abigail Ybarra herself.
The second pair of digits are the week, but I have seen one example where the second digits were 72.