J. Gras of Paris Eb alto horn 3TP

1. Bell engraving

2. Bell view

3. Disassembled

4. Lower body back view

5. Tuning slide

6. Valve section back view

7. Branch guard

8. Handgrip area

9. Receiver

10. Lower body view

11. Front view

12. Slides

13. Valve buttons

14. Valve section

15. Bottom bow view

16. Bell stack

17. Gusset

18. Bell flare

19. Gusset seams visible

20. Back view