The new Fender did not acquire any physical assets of the old company, just the name "Fender".Hence during 1985 to 1987, production of Fender guitars was only done in Japan, while USA Fender created a new factory in California. BUT note that the "E" and "N" series does sometimes appear on "made in Japan" models. In any case, if it says "made in Japan", then it is... Fender has recently (in the last 20 years) introduced LOTS of different serial numbers schemes, depending on the country the Fender was made (USA, Mexico, Japan, Korea, etc). Sorry, since I do not collect new Fenders, I don't really keep track of these things.It is important to remember that Fender serial numbers are NOT conclusively chronological. Back in the day, Fender made their serial number plates in big batches and the assembler simply grabbed a decal or more from the crate and slapped it on the guitar. To get as close as possible to determining the age of your Fender, make sure to check all dates on both body, neck and pots.The locations of the serial numbers and dates change from model to model and in some cases they have simply been omitted.The Japanese-made Fenders do have some slight serial number differences (typically a "J" serial number prefix). I believe this was a mistake on Fender's part using the same prefix for both U. Below are some examples of letter prefixes used in recent serial number schemes.Japanese Serial Numbers on Peghead Decal Note the lack of S, E, N series. How to date and identify your Fender instruments using serial numbers and production date stamps.
The serial numbers for these amps begin with “LO,” indicating that they were made in the Fender/Sunn Lake Oswego factory. It usually applies to old vacuum tubes/valves that have gone unsold for decades. All cream board tweed Blues Juniors have a “Limited Edition” plaque on the back.
In March 1985, CBS sold Fender to a group of private investors.
The serial numbers do not reflect this change - Fender continued to make instruments using existing serial number schemes.
The NOS Blues Junior is a current production, lacquered tweed amp with a Jensen reissue C12N speaker. There’s nothing limited about the edition; they built a bunch and when they ran out, they built another bunch.
Other Variants The Blues Junior chassis has also been used in the Two-Tone, a large amp with a 10-inch and a 12-inch speaker.