Zain al-'Abideen, Silver Tanka, 10.75g. Arabic legend on both sides, In double rectangular border, Arabic legend on both sides, Obv: “Abu al-Muzaffar Sultan Zain al-'Abideen”, Rev: “Nayab Amir al-Mumineen Ghiyath al-Dunya wa al-Din” (G&G# K7). Plate specim.