I bought this key from a WW2 USA 15th Army veteran. He said it was the key to the spa room.
Top NSDAP officers used the spa when they stayed at this hotel for state business. This would make a good research project.
A large and heavy key: 10+ cm (over 4 inches long), 69 gm
cast iron key and shaft,
nickel plated brass disk
Good luck to the high bidder!!
very reasonable start price, no reserve, 14 day return privilege
USA Bidders: 1st class postage with tracking, 4.95
Foreign bidders:
air mail, no tracking $11.95
FedEx with tracking $38