The first two digits of the number identify the year of manufacture, (, , etc.).
The Fender Telecaster was developed by Leo Fender in Fullerton, California in 1950.
Note: in October 2010, some artist models switched to the new MX10 numbering scheme.
The Ritchie Blackmore Stratocaster and Duff Mc Kagan P Bass use an MSZ serial number prefix.
From this point onward all Fender necks incorporated truss rods.
The Esquire was reintroduced in 1951 as a single pickup Telecaster, at a lower price.