Lot Of 20 ISLAMIC ,  Abbasid Caliphate AR Dirham Silver

These coins typically weigh about 2.9 grams.  They are thin so the diameter is very large for the weight.  They are usually a tiny bit smaller than an American quarter.  The diameter does vary.  These coins are silver.

The Abbasid Empire lasted from 750 - 1228

Listing is for all 20 coins pictured