I want to buy a Marcinkiewicz George Roberts Bass Trombone Mouthpiece. Have you got one that you are willing to sell. Please pm me or email:brassmattaz@gmail.com. Or I am will to swap a Schilke 58 for a George Roberts Marcinkiewicz (or similar). Looking forward to your replies. Thank you, trombo/Steve Ford
Steve If your on FB. Look up the trombone mouthpiece trading post. Group there is a guy in there selling one!