Each PRO PAC features a shaped wood shell frame which is lightweight and durable, tough weather resistant ballistic nylon exterior, high quality metal hardware, long-lasting custom zippers, and removable padded shoulder strap and I.D. tag. The molded interior features a soft velvet lining and has built-in compartments for neck and mouthpiece.
At least there is a case that will fit your vintage Conn 10M or King Super 20. Here are some of the horns it will fit: Buescher Cannonball Big Bell Conn 10M Conn 30M Keilwerth XL King Super 20 Selmer Mark VI Selmer Reference 54