The pattern is as follows: YDDDYRRR YY is the production year DDD is the day of the year RRR is the factory ranking/plant designation number.
See below for the formula used to tell the year of manufacture.The first two digits designate the year of manufacture, followed by two digits denoting the month.The remaining four digits denote the instrument’s sequential number of manufacture among all the instruments made during the month indicated.FYYMMRRRR F= Factory code (this can be 2 letters as well) YY= year of manufacture (this can also be just 1 digit for '90s models) MM= month of manufacture R= ranking number (may be more or less digits, not necessarily indicative of total units produced) Example - S02021234 was issued in Feb. Another code used on some current Epiphone models FYYMRRRR F= Factory code YY=Year of manufacture M= This will be a letter code corresponding to the month (A=January, B=February, etc...) RRRR= ranking number Example - R03D0263 was issued in April 2003.Epiphone Elite/Elitist models FYSSSS F= Factory Code (this code will be an "F" or "T") Y= Year of manufacture (2 = 2002, 3 = 2003, etc.) SSSS= Sequential Serial Number Example - T41234 is a 2004 Elitist model. It is dark maple sunburst, gold plated hardware, and serial # is S7019737. Seems that Epiphone started the numbering over again , I called Epiphone Factory rep's and was told S7019737 was made in 2000's.17/11/2015 The Fender Special Edition Standard Stratocaster (Maple Fingerboard, Black) and Fender Champion 100 (Snow White Limited Edition) are two new, stunning Fender FSR models. 05/06/2015 John Lennon's first Gibson acoustic guitar, a J-160e, which was stolen after a Christmas concert in 1963 and remained lost for 50 years, will be auctioned later this year.