Courtois Prestige AC-131 Eb alto trombone

Oct 23, 2010
1. Bell
2. Full
3. Bell flare
4. Water key
5. Engraving c
6. Leadpipe is exchangeable
7. Inner slides
8. Engraving
9. Engraving b
10. Handgrip
11. Handgrip detail
12. Case