Bob Reeves Trumpet Mouthpiece Orchestra Model 3C 25/25 Please see the Joy Brass website for information on the Orchestra Model. This mouthpiece has a throat size of 25, but the air flows well, and the balance is good, without feeling too restricted. The brilliant tone and expansive sound of Bob Reeves mouthpieces are impressive. It can be used not only in orchestras but also in wind ensembles when a symphonic sound is desired. There is an insert mark on the shank, but it is considered to be at a normal usage level, so please check the images. There are no other major scratches or dents. Please consider purchasing this item.