Cornopean.

Technical description: Brass with german silver ferrules, stays, mouthpiece and crook receiver sheaths, finger ring, valve balusters and screws. Mother-of-pearl or abalone valve touchpieces. Large gusset in bell, French bell rim. Three bows in 3rd valve tuning-slide to allow removal without colliding with bell. Main tuning-slide with moving proximal outer and distal inner; valve tuning-slides with…