- Bell Engraving & Rolled Tone Hole
- Bell-Engraving
- Detached Left Pinkie Cluster
- Left Hand & Palm Keys
- Left Palm Keys
- Left Pinkie Cluster
- Left Side Lower Portion
- Left-Pinkie-Cluster
- Low Eb Key Guard
- M.K President & Hohner President 26XX Right Side
- M.K.-President-&-Hohner-26X
- M.K.-President-&-Hohner-Pre
- Max Keilwerth Pure Tone President Certificate 1
- Max Keilwerth Pure Tone President Certificate 2