Thank you for viewing. Bach 7C Trumpet Mouthpiece This mouthpiece came with a Bach instrument I purchased about a year ago. I tried it once out of curiosity and am now selling it. This is a bit of a niche topic, but I feel that Bach has made significant changes to their mouthpieces, from the engraving to the cup's internal construction, with minor changes over time. Compared to older cups, I feel the cup's inner curve is slightly deeper, and the shank processing is a bit cleaner, appearing thinner. If purchased between January 6th and 14th, I will ship it on the 14th due to my schedule. Otherwise, I will ship it as soon as possible, ideally on the same day.