Unlike Ibanez LP and Strat copies in the mid to late 70s, their EB3 copies leaned a bit to the inaccurate side, and in a bad way. Not a bad ho, but eh level at best. There was not a lot of refinement to the Ibanez badged copies from earlier 70s efforts, hence the bolt on neck, junk bridge and not-close mudbucker. The guard, I believe, is not broken but was cut out to fit a cover which was more like a P-bass cover. Gibson sat theirs on top and fit a plastic pad on the E string side, but Ibanez copies were not about fit and finish.
I would suspect that this would sell for a little more than what it would cost to pay someone to refret it.