Marcinkiewicz E13 Chuck Findley Mouthpiece
Marcinkiewicz E13 Chuck Findley Mouthpiece, Trumpet Mouthpiece, Chuck Findley signature model, Outer diameter: 27.71 mm, Inner diameter: 17.30 mm, Cup depth: 9.45 mm, Bore: 3.56 mm, Overall length: 87.63 mm, Rim contour: Medium flat, Silver, Can be compared to the Purviance 4*3