Baldwin's Auctions, Islamic Coin Auction 19, Los 86 † ISLAMIC COINS. Abbasid Silver. Abbasid Silver Dirhams (6), al-Yamama, temp. al-Mahdi, 165h, 2.90g (Lowick 571), 166h, 2.96g (Lowick 573), 167h, 2.85g (Lowick 578h), 168h, 2.54g (Lowick 579; temp. al-Mahdi/al-Hadi, 169h, 2.52g (Lowick 169h); temp. al-Hadi, 170h, 2.81g (Lowick 586). Very fine or better. (6) The earliest mint place to be estab...