Watch List notes:

ABBASID, Al-Amin (193-198 AH/809-813 AD). AR Dirhem (2.90 gm; 25 mm). Obverse, Shahdah, mint: Madinat al Salam (Baghdad), year 195, reverse, phrase "Rabi-allah" above "Mohamad Rasoul allah" followed by name "Al Abbas". Album 221.1; Tabatabai 178. Choice aEF. Lightly toned. Rare.