A silver dirham, citing al-Shukr bin Ibrahim, Herat mint, dated 206AH/ 821AD, 2.9g, 23mm. A silver dirham, (Talha ibn Ṭāhir), Samarqand mint, dated 208AH/ 823AD, 2.6g, 24mm. A silver dirham, (Talha ibn Ṭāhir), Samarqand mint, dated 209AH/ 824AD, 2.9g, 23mm.