From Harrah's Marina & Casino in Atlantic City, NJ, this is a brass key ring with an attached loop for securing the ring to a suitcase or other object.
A sailboat is centered in the key ring; the sail is inscribed with "Harrah's Marina". On the reverse side, the key ring is inscribed "solid brass". Country of origin/manufacture is unknown.
Key ring measures 2" in diameter and weighs 1.5 ounces. Shipment by US Postal Service 1st Class mail.