Yamaha Trumpet Genuine Top Button from East Coast Instruments
AD-TR1 YCR-2310 YCR-2310(2) YCR-2330 YCR-2330(2) YCR-4330G YFH-231 YFH-2310 YHR-301M YHR-302M YMP-201M YMP-202M YMP-203M YMP-204M YSL-354V(C.LAC.) YSL-354V(G.LAC.) YSL-354VS YTR-200AD YTR-200ADM YTR-2320 YTR-2320E YTR-2335 YTR-2335DX YTR-2335M YTR-2420 YTR-2435 YTR-2435S YTR-4320 YTR-4320E YTR-4320EG YTR-4320T YTR-4335G YTR-4420E YTR-4435