Vincent Bach 1G Gold Plated, Large Shank Bass Trombone Mouthpiece ★ Cup Diameter: 28.0mm ★ Throat: 8.1mm The largest cup diameter in the Bach lineup, it can adequately handle even the powerful instruments of recent years. ★ Gold-plated item ordered from a domestic distributor (Purchased August 2025, 38,610 yen (tax included)) ★ Beautiful condition, used only a few times for testing. Currently, the price of new gold-plated items is high due to the rise in gold prices. If you are looking for an item equivalent to new, and would like to obtain it at a lower price than new, please consider this.