Watch List notes:

Delhi Sultanate, Tughluq Dynasty, Firuz Shah Tughluq (AH 752-790/1351-1388 AD) Gold Tanka, AH (7)53, with the name of the Caliph Abu'l Fath al-Mu'tasid, Obv: Arabic legend "al-sultan al-a'zam Saif amir al-mu'minin Abu'l Muzaffar Firuz Shah Sultani Khulidat Mamlakatuhu", Rev: Arabic legend "fi zaman al-imam amir al-mu'minin abu'l fath khulidat khilafatuhu" within an inner circle, mint name Hadrat Delhi & Hijri year "thalatha wa khamsin wa (sabamaya)" (=753), 10.99g, 21.79mm, (G&G # D461), sharply struck, Arabic legend seen in high relief, choice quality, Gem UNC, Extremely Rare in this grade.