- M.K.-President-&-Hohner-Pre
- MK President, Hohner 26XX, & Hohner 131XX
- Right-Side
- Bell-Engraving
- Neck-Left-Side
- M.K President & Hohner President 26XX Right Side
- Left-Pinkie-Cluster
- Right Side
- Max Keilwerth Pure Tone President Certificate 2
- M.K.-President-&-Hohner-26X
- Neck-Right-Side
- Stamp-A-49
- Max Keilwerth Pure Tone President Certificate 1
- Left Pinkie Cluster