Technical description: Blackwood with german silver ferrules and keywork. Five pieces: Mouthpiece, barrel, upper section, lower section, bell. Original named ebonite mouthpiece marked for a ligature. Tuneable ebonite barrel, not marked. Ebonite bell. 17 keys, 7 rings.
L0: T + ring F₄/C♮₆; speaker.
L1: T + ring F♯₄; throat A♮; throat A♭.
L2: T + E♭₄/ B♭₅ corresponding ring.
L3: T + ring; cross E♭₄/ B♭₅.
L4: C♯₄/G♯₅; F₃/C♮₅; E₃/B♮₄; F♯₃/C♯₅.
R1: T + ring B♭₃/F♮₅ via correspondence; side E♭₄/ B♭₅; side F♯₄/C♯₆; trills 1-2.
R2: T + ring B♮₃/F♯₅ via correspondence.
R3: T + ring B♮₃/F♯₅ via correspondence; cross B♮₃/F♯₅.
R4: G♯₃/E♭₅; E₃/B♮₄; F₃/C♮₅; F♯₃/C♯₅.
Keymount type: screwed in pillars.
Keyhead type: modern.
Playing accessories: reed and ligature.
With original case marked "PENZEL-MUELLER & Co. / LONG ISLAND CITY / NY" on a metal plaque. Also in case: a reed in a cardboard pocket from the Colie Stoly Music Co.
Repair History: The bell is a replacement.