I picked up a strange little shell handle Imperial in mint condition that has a key as its secondary blade. The key is designed with a slot to fit onto the pivot pin, I'm guessing this is so that the key could be cut at the dealer and put on after the car was sold. It is printed on one side with "A. B. Poe Motor Co. Bring Your Car Home For Service." I would like to ask anyone out there who might know when these were made, and if they were useful as an emergency key? Thanks.