It comes with a tiny key that fits lock and turns the mechanism to a certain degree but does not lock it. And will not turn all the way without great pressure and i do not want to force it.It may not be the original key. The casket measures 8.5" long, 4" deep x 3 3/4 high. Excellent condition without chips or cracks. The item "8L Antique French crystal glass Trinket Box Jewelry casket hinged bronze mounts" is in sale since Wednesday, May 13, 2020. This item is in the category "Collectibles\Decorative Collectibles\Boxes, Jars & Tins". The seller is "crystal4sale" and is located in Richmond Hill, Ontario. This item can be shipped worldwide.