This is a Bach 5C trumpet mouthpiece. The rim and inner rim are pink gold, and the body is gold-plated. There are a few scratches on the rim. Rim Diameter: 16.25 Cup Depth: M Rim: MW rim - the inner and outer edges are rounded, but the rim is relatively flat. Suitable for those with strong lips who don't prefer a sharp contour. Produces a lively and rich tone. Trumpet Mouthpiece Bach 5C Pink Rim Gold Gold Plated GP PGP