Jackson imports started in 1990 after the success of the Charvel import series (1986-1991), which came out of the merger of Jackson and IMC. Year by year serial number scheme information: Jackson Import Bolt-on serial number guide:Ġ-5 | Professional (MIJ), first digit denotes year (0=1990, 5=1995)ĩ0-95 | Fusion (MIJ), first two digits denotes year (90=1990, 95=1994)ĩ6 | 1996 No Series MIJ before switch to 7 digit serialĩ4 | 1994 MIJ Concept guitars, first two digits denotes year (only made in 1994)ĩ | 1996+ MIJ (all MIJ series, even JS MIJ), started with 96xxxxx and went up sequentially (97,98, etc)Ġ0-04 | JS (MII), X (MII) or very early JS30xx (MII), first two digits denotes year (00=2000, 04=2004)Ħ | JS (MIT), probably the first digit denotes year (6=1996)ĩ6-99 | JS (MII) or X (MII) first two digits denotes year (96=1996, 99=1999)Ģ | JS30xx (MII), first four digits denotes year, 10th digit added at start of 2008 I will start with this and if others with more knowledge (or corrections if need be) will post contributions I will edit this first post: I think it might be helpful for people trying to decode Jackson Import serial numbers if a centralized serial number / Country of Origin FAQ could be put together.