Anonymous GDR-era BBb tuba 4RV, most likely a B&S

Apr 18, 2010
1. Back view
2. Front view #2
3. Bow guard
4. Full view
5. Bow guard viw #2
6. Bell side view
7. Back view #2
8. Side view
9. Back view #3
10. Front view
11. Top bow view
12. Bell flare