Ya'qub, Silver Tanka, Baghdad Mint, 5.10 gm, 16.67 mm
Ya'qub, Silver 1/3 Tanka, Likely Al-Jazira Mint, 1.63 gm, 15.93 mm
Ya'qub, Silver Tanka, Mardin Mint, 5.09 gm, 19.18 mm