Check the listing for details. Crown Lock. Condition: New. Listed at 3.00 USD. The Crown Lock is a unique and collectible piece of hardware that likely holds a special significance for enthusiasts of locks and keys. With its intricate design and potential history, this product serves as a functional yet decorative item for those who appreciate the art of lock-making. Whether used for practical purposes or as a display piece, the Crown Lock offers a touch of elegance and craftsmanship to any collection or space.