Watch List notes:

Abbasid: AR Dirham, al-Ma'mun 'Abd Allah, 194-218AH /810-833AD, (Abu Ja'far, b. al-Rashid), in his heir Imam Reza. Mint: Samarqand, Date: 202 AH. (2.99gm, 26mm) Good Very Fine and Very Rare.

Estimate: 1500 USD