Tenor horn.

Technical description: Silver-plated brass; bead reinforcement at bell rim underside. 1st and 2nd valves double with respect to 3rd: windway runs mouthpipe - 3 - 1 - 2 - 3 - main tuning-slide - bell when 3rd valve is not operated, and mouthpipe - 3 - 2 - 1 - 3rd valve tuning-slide - 3 - main tuning-slide - bell when 3rd valve is operated. With water-key on main tuning-slide.; Nominal pitch: E?.; Type or system: 3-valve double principle.; ; ; ; Usable pitch: Probably built for use at circa A?=|440|Hz.;