1959 Kurt Schippmann Weidenau-Siegen BBb tuba 4RV

1. Front

2. Back

3. Valves

4. Body back

5. Clocksprings

6. Engraving

7. Tuning slide

8. Rotors

9. Leadpipe stay

10. Leadpipe

11. Body

12. Handgrip

13. Valves back view

14. 1959 Kurt Schippmann Weidenau-Siegen BBb tuba