Watch List notes:

ABBASID, Al-Amin (193-198 AH/809-813 AD). AR Dirhem (2.86 gm; 22 mm). Obverse, Shahdah, mint: Madinat al Salam (Baghdad), year 193, reverse, letter "M" below "Mohamad Rasoul allah". Album 221.1; Tabatabai 178. Choice AU. Lightly toned with some luster. Toned. Rare.