Keystone 10 – Islamic Coinage
Lot: 201. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AV Dinar (17.8mm, 3.95 g, 2h). Without mint-name. Dated AH 203 (AD 818/9). Good Fine.

Keystone 10 – Islamic Coinage
Lot: 202. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (24.7mm, 2.29 g, 8h). Ma‘dan Bajunays mint. Dated AH 204 (AD 819/20). VF.

Keystone 10 – Islamic Coinage
Lot: 203. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (23.8mm, 2.65 g, 10h). Madinat Naysabur mint. Dated AH 197 (AD 812/3). VF.

Keystone 10 – Islamic Coinage
Lot: 204. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (23.1mm, 2.95 g, 6h). Al-Kufa mint. Dated AH 200 (AD 815/6). VF.

Keystone 10 – Islamic Coinage
Lot: 205. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (24.8mm, 3.11 g, 3h). Dimashq (Damascus) mint. Dated AH 213 (AD 828/9). Fine.

Keystone 10 – Islamic Coinage
Lot: 206. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (26.3mm, 2.87 g, 3h). Al-Kufa mint. Dated AH 204 (AD 819/20). Near EF.

Keystone 10 – Islamic Coinage
Lot: 207. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (24.7mm, 2.88 g, 10h). Wasit mint. Dated AH 200 (AD 815/6). Good VF.

Keystone 10 – Islamic Coinage
Lot: 208. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (23.2mm, 2.86 g, 4h). Ma‘din Bajunays mint. Dated AH 210 (AD 825/6). VF.

Keystone 10 – Islamic Coinage
Lot: 209. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (24.7mm, 3.00 g, 11h). Al-Muhammadiya mint. Dated AH 218 (AD 833). EF.

Keystone 10 – Islamic Coinage
Lot: 210. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 194-218 / AD 808-833. AR Dirham (25.7mm, 2.75 g, 9h). Madinat Naysabur mint. Dated AH 197 (AD 812/3). Near EF.

Keystone 10 – Islamic Coinage
Lot: 211. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (23.1mm, 2.78 g, 11h). Misr mint. Dated AH 213 (AD 828/9). Good Fine.

Keystone 10 – Islamic Coinage
Lot: 212. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (25.8mm, 2.95 g, 12h). Reform type with double margin on obverse. Madinat al-Salam mint. Dated AH 207 (AD 822/3). EF.

Keystone 10 – Islamic Coinage
Lot: 213. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (26.2mm, 2.84 g, 3h). Fars mint. Dated AH 209 (AD 824/5). VF.

Keystone 10 – Islamic Coinage
Lot: 214. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (24.8mm, 2.60 g, 2h). Dimashq mint. Dated AH 214 (AD 829/30). VF.

Keystone 10 – Islamic Coinage
Lot: 215. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (23.1mm, 2.89 g, 9h). Al-Muhammadiya mint. Dated AH 208 (AD 823/4). Near EF.

Keystone 10 – Islamic Coinage
Lot: 216. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. Æ Fals (19.2mm, 2.23 g, 6h). Ra’s al-‘Ayn mint. Dated AH 213 (AD 828/9). Near VF.

Keystone 10 – Islamic Coinage
Lot: 217. 'Abbasid Caliphate. temp. Al-Ma'mun. AH 199-218 / AD 813-833. Æ Fals (16.7mm, 2.01 g, 7h). Al-Ramla mint. Undated. Fine.

Keystone 10 – Islamic Coinage
Lot: 218. 'Abbasid Caliphate. Ibrahim b. al-Mahdi. Usurper, AH 201-203 / AD 817-819. AR Dirham (23.1mm, 2.99 g, 2h). Madinat al-Salam mint. Dated AH 202 (AD 817/8). VF.

Keystone 10 – Islamic Coinage
Lot: 219. 'Abbasid Caliphate. Al-Mu'tasim. AH 218-227 / AD 833-842. AV Dinar (21.4mm, 4.16 g, 12h). Madinat al-Salam mint. Dated AH 219 (AD 834). Near VF.

Keystone 10 – Islamic Coinage
Lot: 220. 'Abbasid Caliphate. Al-Mu'tasim. AH 218-227 / AD 833-842. AR Dirham (25.4mm, 2.97 g, 12h). Madinat al-Salam mint. Dated AH 225 (AD 839/40). Near EF.