Share 'Tricky Crack Diagnosis Issue'

Hi, My name is Dave Domizi and I run The Fret Shop in Athens, GA. I hope that you’re all well. I’m writing to ask for any experienced ideas that you might have for sorting out a trickier crack diagnosis issue (finish crack vs wood crack) that came to me today. The guitar is a 1967 Gibson Hummingbird that has had various owners and is changing hands again from a previous customer of mine to a re…