Selmer Soloist FHere is an original condition, Selmer 'Soloist' F alto sax mouthpiece. This mouthpiece measures . 088" on my gauge. The innovation represented by Selmer's horseshoe chamber design and the legacy of the Soloist line of mouthpieces is evidenced by the continued demand for these pieces today. The original examples from the 1950's and 60's are very sought after for the amazing design, top quality rubber and expert finish work. This is an ideal choice for