Pishkinid. Mahmud B. Pishkin. ca. 608-623/1212-1226. AE dirham (30.2 mm, 16.08 g, 5 h). With title 'nusrat al-din'. Album 1916. Fine.
The Pishkinid region of Iran is rich in copper deposits and still has an operating mine today. The Pishkinids only struck coins in copper, no precious metal denominations are known.