- upper stack keys in stand
- upper portion front view in stand
- upper portion front view
- upper octave key front view
- tone hole detail
- tone hole pad details
- tone hole pad detail
- strap ring
- strap ring
- spring assist for upper octave key
- spring assist for upper octave key
- serial no. 8840
- serial no. 6563
- Serial No. 551X & Made In GDR