King Super 20 Symphony Silversonic Dual Bore Pro BB Trumpet Original Case | eBay Up for sale is an H.N. White King Super 20 Symphony Silversonic Dual Bore Professional Bb Trumpet with its original King hard shell case, lyre, and a Vincent Bach Mt. Vernon NY 10C mouthpiece. For details refer to eBay link. Lots more photos are on my vivacebiz.weebly.com/for-sale website. Asking $1050 plus shipping and fees. Sorry, no trades. Ships from West Chester, OH 45069. Will also ship to Canada, Europe, U.K., Japan and Australia with buyer paying shipping and fees.