To most people, marbles are colorful kids’ toys. For others, they are prized collectibles. Some marbles — if they’re unique and in demand — can fetch $14,000 or more at auction. Others are simply ...

If you've held onto old marbles from childhood or stumbled across a dusty jar in the attic, you might be wondering if they're worth anything. Not all old marbles have high value, but certain handmade, ...