Plenty of signed baseballs never get a display at all — they sit in the box they came in, or roll around a drawer with the batting gloves. A round ball is awkward to display well: it needs to be held at a fixed angle so the autograph faces out, and it needs to stay put.
Do You Need a Case?
A UV-protective case is worth it for anything irreplaceable — a ball with real resale value, one tied to a specific game, or one that's been authenticated. The case blocks fading and dust, and a good one has a built-in cradle.
For a ball you just want out and visible — a team ball, a practice souvenir, a gift — a mount alone does the job without the extra cost or the glare a case adds under lighting.
Wall Mount vs. Bat & Ball Combo
A single wall-mounted ball holder keeps things simple and works well next to a signed photo. If the ball came from a specific game with the bat, a combo mount that holds both together tells the fuller story and uses less wall space than two separate pieces.
Either way, keep it off direct sunlight and away from humidity — both fade and warp a signature over time, case or no case. DYS3D's baseball display mounts cover single-ball holders, UV case mounts, and bat-and-ball combos, all built to order.