- lower stack keys
- Lower-Portion-Left-Side
- Lower-Portion-Right-Side
- lyre screw
- lyre screw socket with end plug
- M.K President & Hohner President 26XX Right Side
- M.K.-President-&-Hohner-26X
- M.K.-President-&-Hohner-Pre
- matching serial no. on neck
- Max Keilwerth Pure Tone President Certificate 1
- Max Keilwerth Pure Tone President Certificate 2
- Microtuner
- Microtuner
- Microtuner with Mouthpiece Attached