YAMAHA YCR6330S 001471 Two mouthpieces: * YAMAHA JAPAN 9 * YAMAHA JAPAN 9E GALAXY Mute YAMAHA JAPAN Keyed Case This item was received from someone else, and I do not have expert knowledge. It is unknown if it functions correctly. There may be rust or other issues in areas not visible in the photos. Please consider this with the above in mind. If you have any concerns, please comment.