A silver riyal, Tehran mint, dof,10.3g, 23mm. A silver riyal, Kashan mint, dated 1226AH/ 1811AD, 10.3g, 21mm. A silver riyal, Isfahan mint, dated 1232AH/1817AD, 9.2g, 23mm. A silver riyal, Tehran mint, dated 1236AH/ 1820AD, 5.2g, 18mm. A silver riyal, Astrabad mint, dated 1241AH/1825AD, 7.1g, 19mm. A silver riyal, Yezd mint, dated 1242AH/ 1826AD, 6.8g, 19mm.