Pre-1951 Rino - Meister Kurt Knoth of Markneukirchen F tuba 4+2RV

1. Front view

2. Body back view #2

3. Full view #3

4. Front view #2

5. Back view

6. Full view #2

7. Body view

8. Full view

9. Bell engraving

10. Valve section view

11. Body back view