The picture shows a view of both sides of this Bally's Park Place Casino Hotel Advertising Souvenir Slot Machine KeyChain. This metal keychain is not dated and the year that it was made is unknown. It is enameled in red and green. It is marked on the two sides as follows:
777 BALLY
BALLYS PARK PLACE CASINO HOTEL & TOWER
The keychain with the ring measures 3-5/8'' long. It appears to be in mint unused condition as pictured.