MC Gregory Model A alto saxophone mouthpiece with a 3B 18 facing. The table, tip and rails all look great. The serial number is 3400.The item "MC Gregory Model A Alto Saxophone Mouthpiece, 3B 18" is in sale since Sunday, May 24, 2020. This item is in the category "Musical Instruments & Gear\Wind & Woodwind\Parts & Accessories\Mouthpieces". The seller is "dc_sax" and is located in Alexandria, Virginia. This item can be shipped worldwide.