Buescher, recording, BB flat tuba, 4 piston, 1942 Tag #: 09688 Serial #: 301492 Bell Diameter Bore Size Height 24.0″ .770″ 45 1/2″ Comments: Inside of bell has decorative enraving. “The Buescher / B (decorative) / ELKHART – IND. – U.S.A.” on inside of bell. Front-facing detachable bell. Share this:TwitterFacebookLike Loading...