Dating fender guitars by serial number
You will find the MADE IN JAPAN stamp on the heel of every guitar's neck, without variation.On Stratocasters and bass guitars, you will find the serial number just below this stamp, also on the heel of the neck.
If you're not averse to removing the neck on a guitar, Fender often wrote a date on the heel of the neck, as well as a date in the neck pocket.
A number, usually 5 to 7 digits long, follows the letter and helps to further identify the year. Made in Korea Serials (may or may not have letter prefix.