The sound is more similar to Mark 1 Freddie mouthpieces but even warmer. On the outside has handmade Freddie Gregory signature and also letter (f). The rails in very condition.The item "Vintage Otto link Double Ring Freddie Gregory 6 alto saxophone mouthpiece" is in sale since Friday, March 13, 2020. This item is in the category "Instrumentos musicales\Instrumentos de viento madera\Banda y orquesta\Saxofones". The seller is "bilea" and is located in O Burgo. This item can be shipped worldwide.