Blue Book of Electric Guitars Sixth Edition - Gibson

It is estimated that Gibson's Kalamazoo plant continued to use the 6 digit serial numbers through 1978 and 1979. So double check the serial numbers on those 1970s L-5s, Super 400s, and Super 5 BJBs! Gibson's F O N System In addition to the above serial number information, Gibson also used Factory Order Numbers (F O N) to ................
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