VINCENT BACH CORP. 3C rim & cup, gold-plated (GP) finish on the inside only. This is a popular 3C size from an era known for producing instruments with excellent sound. Especially for trumpet players who use 3C, it allows for a smooth transition when switching from a trumpet. My personal impression is that while a fully gold-plated mouthpiece tends to have a gorgeous appearance and tone, with increased resistance, this one seems to strike a good balance between comfortable playability and a rich, lustrous tone. For reference, the current new price for a rim & cup gold-plated model is 38,610 yen, which is more expensive than the fully gold-plated version. Manufactured between 1970 and 1980, this is a "deep period" model, characterized by a wider spacing between "CORP." and "3C" and a slightly deeper period mark. It's in miraculous condition with no noticeable scratches or dents. Please consider this opportunity.