10MFan Showboat Alto Saxophone Mouthpiece. Marked 6 and tip opening measures. Get Supersized Images & Free Image Hosting. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.The item "10MFan Showboat 6 (. 078) Alto Saxophone Mouthpiece Excellent Condition" is in sale since Monday, December 17, 2018. This item is in the category "Musical Instruments & Gear\Wind & Woodwind\Parts & Accessories\Mouthpieces". The seller is "junkdude-com" and is located in Pickerington, Ohio. This item can be shipped worldwide.