Beaufort, American, EE flat tuba, 3 piston, c.1930 Tag #: 200713 Serial #: Bell Diameter Bore Size Height 20.0″ .693″ 36.0″ Comments: “BEAUFORT / AMERICAN / CHICAGO / USA” on bell. Floral engraving around identification marks. This instrument was genorously donated by Mr. and Mrs. Richard H. Dunlap. Share this:TwitterFacebookLike Loading...