Sander CC tuba with 4 slant rotary valves - copper - two bells BU & BF

1. Back view

2. Caseless front bell

3. Valve section back view

4. Engraved upright bell

5. Original Sander 4th slide

6. Valve section

7. Bell knee guard

8. Engraved front bell

9. In the cases

10. Bell knee

11. Side view