Bob Reeves 43M Bob Reeves Trumpet Mouthpiece This is a trumpet mouthpiece from Bob Reeves, a popular trumpet manufacturer. The size is 43M, which is similar to a Bach 3 in terms of feel, and it's a very popular mouthpiece that's easy to play. It has a 5 shank, and is a size suitable for Bach and Yamaha trumpets. It's a 2-piece model, so the rim and the cup can be separated. This mouthpiece can be used for pop, jazz, and of course, concert band. There are slight shank scratches, but it's in beautiful condition as it hasn't been used much. The new price has increased considerably, and it's a mouthpiece that's rarely available used, so why not consider it?