This is a one-of-a-kind instrument, a custom modification based on a YAMAHA YTR-2320E, obtained through auction. ■ Modifications ・ Reconstructed by combining parts from the following three instruments: 　Body: YAMAHA YTR-2320E 　Bell: YAMAHA YTR-333 (Red Brass) 　Mouthpipe: KAWAI, model unknown (likely a German B&S OEM) ・ Main tuning slide, 1st valve slide, 2nd valve slide, and 3rd valve slide were each shortened and modified to a C-trumpet configuration. ■ Condition ・ Pistons and slides move smoothly without sticking. ・ Valve guides have been replaced with genuine YAMAHA brass parts (for custom models). (Original plastic valve guides are also included.) ・ There is some discoloration due to modifications (desoldering, re-soldering) in various places. ・ The 3rd slide stopper is missing. (The rim of the slide end where the stopper would hit has been cut off during modification.) ■ Accessories ・ Mouthpiece: KAWAI 7C ・ Case: Original case included at the time of purchase Please understand that this is a modified instrument sold as-is, due to the purchase of another instrument.