For your consideration, here is a 1991 Caesar’s Palace, Las Vegas Gold Tone Medallion Necklace, on Chain, with date in Roman Numerals.  It has a little wear on it.  It has a diameter of 2 inches.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (638.9a1d-.5bx1)