I have several surplus bass trombone mouthpieces for sale: Denis Wick 2al in gold plate @ £17.50 ono (moderately used). Marcinkieuwicz Bill Reichenbach Custom EBT1 in silver plate £17.50 ono(slight use only). Another Marcinkieuwicz model one in silver plate at £15.00 ono. All plus packing and postage. Why no make me an offer! Buy the Denis Wick and Bill Reichenbach and get the third mouthpiece free. e mail firstname.lastname@example.org or pm me . Thank you for your interest. Now switched to a Doug Yeo Custom Mouthpiece by Yamaha.