The Hohner Marine Band Full Concert Octave harmonica utilizes the Knittlinger Tuning System, otherwise known as Octave Tuning, which has double reeds tuned an octave apart.
This octave harmonica has stainless steel covers and a double holed wooden comb, with four reeds to every hole, producing a strong, rich tone.
This harmonica is often referred to as the Hohner Marine Band Full Concert 1896/40.
Available in key C only, comes in a blue cardboard box. (The box is slightly scuffed)