Here’s a super clean straight Corporation Bach 42. Not a lot to say about it. It is in great condition and play really well. Serial number puts it in about 1973. The slide is really smooth, it has some lacquer wear and some tiny red points on the slide outer, nothing to be worried about for a horn of this vintage. The bell section has one small scar on the flare, besides that it is pristine. No dings or dents on the tuning slide or on the slide crook.