Early 1970s Greco Jazz Bass JB-380 3 Tone Sunburst (MIJ)Early 1970s Greco Jazz Bass JB 380 3 Tone Sunburst (MIJ) Made by Matsumoku group in the early 70s, the JB 380 was the not so Jazz Jazz Bass copy that shared many similarities with it's Fender counterpart, however differed in many ways! Featuring a dual set of Maxon "mini humbuckers" (that are actually single coils in disguise), a sen ash body and a bound maple neck with block perloid inlays, these were Fender Jazz Bass killers in the 70s and for a