As you can see by the overlap of numbers and years, the reference to the actual date of manufacture is rather vague.In 1990, the N came as a prefix to the numbers, which stands for the nineties. Deluxe Series have the same standard but with the addition of a D for the Z, eg. Also here some overlap of numbers, prefixes and year.Instruments made between 19 carry “MN” prefix serial numbers, with the “M” designating Mexico and the “N” designating the 1990s.
At the Stratocasters from the early fifties the serial numbers were stamped on the back vibrato cover.
On some Telecasters at the bridge between the pickup and the saddles. PAT, 2,573,254 2,968,204 3,143,028 2,976,704 2,573,254 for pickup and bridge combination.
Fender's production methods from the early fifties had the effect the numbers may not be consecutive.
Also overlap of serial numbers and dates come with regularity.
Most specifications for the Fender guitars are hardly changed.
Although there have been periods in which major changes occurred as the acquisition of Fender by CBS, and the transition from CBS Fender to the current owner (Fender Musical Instruments Corporation), most models are in general not changed.Although it is not be traced back directly to the serial numbers.CBS continued to make the guitars using the existing tools, parts, and the numbering system.The table below shows the serial numbers as they were used from 1965 to 1976.Again, there are a several serial numbers that overlap.2,968,204 for the single coil pickup patent awarded in 1961 under other for Jaguar, Stratocaster, Duosonic.