Watch List notes:

BAHRAIN: Isa bin Salman al-Khalifa, 1961-1999, AR 50 fils, 1983/AH1403, KM-5a, off-metal strike in silver commemorating the 10th Anniversary of Bahrain Monetary Agency by the British Royal Mint, only issued in commemorative proof sets, NGC graded Proof 68 ULTRA CAMEO.

Estimate: 50-75 USD