York, BB flat tuba, 3 piston, c.1911 Tag #: 02841 Serial #: 27015 Bell Diameter Bore Size Height 22 1/2″ .750″ 36 3/4″ Comments: “Made By / J.W. York & Sons / Grand Rapids Mich.” on bell. Some floral engraving around identification marks. “Patented / July 12 1910” on placque on tubing. Share this:TwitterFacebookLike Loading...