India, Jaunpur Sultanate, 1452-53 AD., Mahmud Shah, ½ Tanka, Goron and Goenka J 16.

India, Jaunpur Sultanate, (Nasir al din) Mahmud Shah (AH 844-861 / 1440-1456 AD.) citing abbasid Caliph Abu'l Fath al-Mutasid billah of Cairo (1352-61 AD.), dated AH 857 (1452-53 AD.),
½ Tanka ("Falus") (ø 14-15 mm / 4,45 g / 3 mm thickness), copper-billon, axes (as pictured) irregular alignment ↑↙ (ca. 230°), Abu al-fath type,
Obv.: ... / Û¸ÛµÛ·, "Khalifah / Abu al-Fath / 857" , Persian text and date.
Rev.: ... , "Mahmud Shah / bin Ibrahim Shah / Sultani" , Persian text.
http://data.fitzmuseum.cam.ac.uk/id/object/92626 ; Goron and Goenka J 16 ; Rajgor 2711 (Dilip Rajgor, Standard Catalog of Sultanate Coins in India, 2711) ; Zeno 122584 , - 88155 , - 58994 (different dates) .