Bach 50B Custom Bass Trombone Built for a John Engelkes by Marc Langelier
10.5 Inch Gold Brass Bell(Removable) Custom Open Wrap and Tuning slide stops on bored out independent rotors. Bb/F/Gb/D Tuning Standard .562 Yellow Brass Slide. 10 out 10 for slide action. Yellow brass tuning slide and additional Seamed Rose Brass Tuning Slide.
Marc was a local(SF Bay Area) that customized a few trombones in his days. I have seen three and they are all top notch!
This is a wonderful bass trombone in excellent condition.