It has a wood frame that seems to be in very good shape. The back does not have a key. Looks like someone bored it out. Thanks for looking and if you have any questions I will do my best to answer. The item "Antique 1940's Mills Jewel 5 Five Cent Slot Machine" is in sale since Monday, December 26, 2016.This item is in the category "Collectibles\Casino\Slots\Machines\Antique Coin Slot Machines". The seller is "targa1221" and is located in Waterboro, Maine. This item can be shipped to United States.