I set out this morning to oil the fretboard of my STA-1. After applying the first coat of Behlen Fingerboard oil I noticed a machining/sanding mark running down the middle of the fretboard between the D and G strings from the fourth to seventh fret. Does any one have some clues on repairing this sort of damage. Jimmy Oastlre suggested mixing powdered rosewood with superglue. not sure about that as a cure.
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