1988, Kingdom of Bahrain. Large Proof Silver 5 Dinars “WWF” Coin w. COA! Reference: KM-13. Mintage: 25,000 pcs. Denomination: 5 Dinars Material: Silver (.925) Weight 19.44gm Bahrain (Arabic: البحرين‎ al-Baḥrayn), officially the Kingdom of Bahrain (Arabic: مملكة البحرين‎ Mamlakat al-Baḥrayn), is an Arab constitutional monarchy in the Persian Gulf. It is an island country consistin ...