No markings anywhere. This is 100% original and has 2 or 3 screws missing which I will not replace since it will no longe be ORIGINAL if I did. I know of one other exact piece and it doesn't have any manufacturer's name either. There are copies of this exact piece which are nickel plated from the 1940s. This is original lamb skin, though some dice experts in Germany tell me the dice are not as old as the cage. I've been offered two screws (gaming parts collector in Hong Kong) for $100, but passed...