Custom Marcinkiewicz 107 mouthpiece
- LIBrassCo
- Posts: 585
- Joined: Feb 24, 2019
Customized Marcinkiewicz 107, been refinished with my process, and new plating. Also refitted with a bronze regular large shank so it can be used on a bass trombone. Condition is better than these come new. $175, buyer pays shipping.