I found a listing for a Mirafone 35W mouthpiece on ebay. I am not the seller. The seller is clueless as to what it is. I sent him a message telling him what it was but he still thinks it's for an Alto Trombone. This pics match my Mouthpiece exactly which is original to the Horn.
https://www.ebay.com/itm/116121908593?_ ... p_homepage
