mjgmjg02 Posted May 5, 2020 Share Posted May 5, 2020 (edited) Kalamazoo has FK307 on head stock but in 708F F hole What Year is this heirloom? Edited May 5, 2020 by mjgmjg02 Quote Link to comment Share on other sites More sharing options...
Twang Gang Posted May 5, 2020 Share Posted May 5, 2020 Those don't look like serial numbers I've ever heard of, perhaps they are Factory Order Codes? That is usually what was on the sticker inside the guitar body. Some pictures of the guitar would help people identify it. There are many more knowledgeable than I on this forum. Quote Link to comment Share on other sites More sharing options...
Eracer_Team Posted May 6, 2020 Share Posted May 6, 2020 Try this https://en.m.wikipedia.org/wiki/Gibson_Kalamazoo Quote Link to comment Share on other sites More sharing options...
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