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Contributors will be credited as an instrument owner or photographer upon request.
Below a summary of my research findings regarding Epiphone's serial number (SN) systems and estimated production figures – based on the data analysis of approximately 4500 Epiphone instruments and amplifiers (SN/model pairs, documented in c. Reconstructing model production data – filling SN gaps through interpolation extrapolation 5. Several different SN systems were used depending on instrument type and time period – mostly employing consecutive, ascending numbers following the timeline of production (see detailed analysis in chapter 3 ff.): The earliest electric instruments from 1935 don't bear a SN; SNs starting by 1936 around 25 and ending around 7219. "F traditional" (referring to the charts published by Fisch/Fred). Understanding Epiphone's SN systems – number ranges assigned to model batches Epiphone's main SN systems (A B) appear to follow this pattern: a range of consecutive, ascending SNs are found on instruments of one single model; a subsequent range of SNs appears on instruments of another single model; and so on (see example Fig. My understanding of this pattern is that these model-specific SN ranges correspond to production runs – i.e.Interpolation methods enable us to "fill in" undocumented SN/model pairs within assumed batches – i.e. 3: Interpolation of missing SN/model pairs within an assumed batch/SN range of the same model (example).ranges of SNs exclusively assigned to one model (see example in Fig. Note that in many cases the very first and last SNs of a batch cannot be determined as long as there are SN gaps to the adjacent batch of a different model.Early examples of the newly introduced Kent Spanish model have "special" SNs in the 3000s and 4000s (stamped on headstock), before switching to SN system B by 1950.Documented examples of the new Kent Hawaiian show "special" SNs in the 75 to 171 range (stamped on headstock).
However all missing numbers between the lowest and highest documented SNs of an assumed model batch can be "interpolated" i.e.