B-flat tenor Trombone by C. G Conn & Jake Burkle, Elkhart (Indiana), engraved by James Gardner. This instrument has been custom-made for Arthur Pryor, soloist of the Sousa Band, who played it during a part of his career. Brass, New York Artist Special Model / 2-H Model, slide changed by Jake Burkle, ca. 1934.
National Music Museum, Vermillion SD., inv. 15084