Muhammad bin Tughluq, Gold Tanka, 10.98g, “al-sa’id” type, Shahr Tughluqabad Mint, Obv: “abh’l muzaffar Tughluq shah al sultan anara allah burhanahu”, Rev: “al sultan al-sa’id al shahid al ghazi Ghiyath al dunya wa’l din” (G&G# D323). Extremely fine, exceedingly rare. Coins with Shahr Tughluqabad are exceedingly rare.