Early vintage berg larsen 90/1 slant signature alto sax rubber mouthpiece. All original very good condition. Check out my other items! The item "Early vintage berg larsen 90/1 slant signature alto sax rubber mouthpiece" is in sale since Saturday, June 16, 2018. This item is in the category "Musical Instruments\Wind & Woodwind\Band & Orchestral\Saxophones".The seller is "floatingmountain" and is located in London, London. This item can be shipped to all countries in Europe, all countries in continental Asia, United States, Canada, Australia.