An antique Islamic Greater Iran Saffarid dynasty Tahir al-Tamimi Sijistan fractional dinar, minted in 18k gold, featuring a remarkable relic from the 10th century. Bearing the name of Tahir al-Tamimi, who was a prominent figure during the Saffarid dynastys rule over Sijistan, these coins provide a tangible link to a significant period in Islamic history. Minted between 964 and 970 AD, during a time of political upheaval and cultural flourishing in Greater Iran, these fractional dinars represent the economic and monetary system of the Saffarid dynasty. Antique Islamic Gold Coins And Numismatic Collectibles.