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Instead, the best approach to dating a Fender is to combine indicators from the design of the instrument, the dates found on the neck and body, along with the serial number.
Once you have the information you need, if you're interested in selling your Fender, you can use Reverb to get it in front of the largest audience of musicians in the world by clicking on this link.
If something is marked "Patent Pending" you can reasonably assume it was made within a year or two of the patent being issued.
Remember that there could have been a year or more between the date of application and the final date of issue.
Some American watch brands did not use a consistent series of serial numbers, but most of the big manufacturers did.
Most vintage Swiss pocket watches did NOT have serial numbers and can't be dated by this method.
So you need to figure out the year of production for your Fender guitar or bass. Fenders rank as the most frequently bought and sold instruments on Reverb, and finding a precise date of manufacture can be key to determining the value and specifics of an instrument.
The extensive range of Doulton products meant a reasonably complex set of marks and way of marking was required.Note that we're using the serial number from the watch movement, not from the watch case.Looking at the table of Waltham serial numbers (see example below), you can see that number 20,900,000 was made in 1917 and 21,800,000 was made in 1918 (marked in red in the table below). Your movement serial number may not be in exactly the same location as the one in the photo, but you are looking for the serial number that is on the watch mechanism itself... This is an example using the Waltham serial number table.Doulton continued, intially, to use the base marks of PINDER BOURNE & CO and/or the initials P. Together with some additional hints that may help with dating your Doulton pottery, porcelain and stoneware. The figurine was therefore produced in 1937 The following numbers indicate the approximate date range or period when the marked item was first introduced.
There is an old rule of thumb for dating Doulton figurines; where you add 27 to the small and hardly visable number to the right of the Doulton backstamp. That is not to say that your item was produced in that year but simply that the year indicated is the earliest the piece could have been produced.Like Henry Ford, part of Leo Fender's genius was in optimizing the company's production efficiency.