Re: Kalamazoo Zipper Sound Hole--Mandolin Mystery
I've had two just like it, no mystery to me. The only thing consistent about Gibson has been inconsistency. The number inside is a Factory Order Number or FON. If you post that number somebody with the Spann book can tell you when it was built.
I merged these two threads. You don't need to post multiple threads.
Last edited by MikeEdgerton; Jul-04-2020 at 4:28pm.
"It's comparable to playing a cheese slicer."
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