1965 Holton 345 BBb tuba 4FP serial # 401205

1. Valve casings

2. Branch guard

3. Rear

4. Valves

5. Odd

6. Rim

7. Serial #

8. Bottom bow

9. Pistons

10. Front

11. Branch

12. Bell flare

13. Buttons

14. Bottom bow b

15. Bell