This listing is for a King 3-B Concert Silver Sonic Sterling Silver bell with gold tones trombone it comes with a Vincent Bach 11C mouthpiece the slide has the number 8237 the trombone has the number 669226 the instrument has 2 tiny dings on the bell a few scratches from use but it is in very good condition it comes with a King hard case in great condition the case has NO KEY if you need more info please let me know, please let the pictures be part of the description, if you have any kind of problem please contact me before you contact ebay and will do all I can to make it right for you.I USE USPS GROUND ADVANTAGE BECAUSE OF SHIPPING COSTS IF YOU PREFER PRIORITY PLEASE LET ME KNOW AND I WILL CHANGE THE INVOICE TO SHOW PRIORITY THANK YOU FOR VIWEING THIS LISTING.