VERY RARE YAMAHA PROFESSIONAL YBL-621 BASS TROMBONE IN ITS CASE .THIS TROMBONE WAS ONLY MADE BETWEEN 1978 AND 1985 AS SHOWN ON THE YAMAHA COLLECTORS LIST IN THE LAST PICTURE, THIS HAS A FEW AGE RELATED MARKS AND THE ODD DENT AND SOME TARNISHING , I HAVE TRIED TO PICTURE THE WORST BLEMISHES .
THE MOUTH PIECE IS QUITE WORN AND CANT SEE MAKERS NAME BUT LOOKS LIKE LONDON STAMP,
IF YOU HAVE ANY QUESTIONS I WILL TRY TO ANSWER, OR IF YOU HAVE ANY INFORMATION ON THESE I WOULD BE PLEASE TO HEAR ABOUT IT .SERIOUS BUYERS WELCOME TO VIEW BEFORE BIDDING IF THAT HELPS .I WILL POST BUT IT WONT BE CHEAP, COLLECTION PREFERRED