Yellow gold commemorative medallion, between 18k and 22k gold, marked "Bahrain Saudi Causeway", 1986, 1 7/16" diameter. Approximately 31.2 grams TW. Provenance: Shrewsbury, Massachusetts collection. PLEASE NOTE: payment for silver, gold, jewelry, and coins must be made via wire transfer, cash, or certified bank check ONLY. The only exception is long-standing customers.