The cracks or marks in the field are not exactly parallel to the grain so they are surface or finish cracks or scratches. The bridge marks are not serious. Probably movement or shrinkage in the finish. When a bridge begins to let loose the moment of intertia will twist the bridge toward the tension source which is the string(s). The signs of a loosening bridge would then appear on the back side of the bridge or toward the tailpiece in the form of seperation of bridge and top.
Blues
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