Mostly, it looks like the finish separating from the edge of the binding likely caused by the exposed fret ends staying where they are as the ebony shrinks. The protruding fret ends push on the lacquer finish causing it to separate from the fingerboard adjacent to the fret end. This is fairly common and one of the reasons that makers use binding or inset the frets and fill the fret ends.
Do you control the humidity of your guitar?
Yes, it is absolutely worth contacting Collings. It might be something specific with their instruments that they know about.
|