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Subsequent research has unearthed quite a few inaccuracies in Scott's numbers, so any serial number guides cribbing from Scott are also incorrect.
The Gretsch-GEAR database exists to get it right: to document the actual serial numbers, to determine once and for all what was built and when, and to harness the collective knowledge of thousands of Gretsch fans to put the pieces together.
On hollowbodies, the label is usually visible through the f-hole.
On other models such as solidbodies, it should be inside a control cavity.
The last four numbers are sequential for the given year (all models combined) and are broken into two categories as follows: So, JT05070014 would be made at the Terada factory in July 2005 and would be the 14th of something special that year (all special models combined).
The remaining digits = number of individual instrument, probably.For example, serial number JT03074463 would break down as: Of those, JT is by far the most common on the pro-line instruments.However, other Japanese facilities have been used, so it's not particularly unusual to see JD and JF prefixes.Serial numbers have six numbers, with a three digit suffix. The final numbers are the sequential order of the model made during the lifespan of the model (not that year).For example, 946119-976 would be a June 1994 Tennessee Rose, the 976th made.