Watch List notes:

Bengal Sultanate, Nasir ud-din Nusrat (AH 925-938/1519-1531 AD), Chatgaon Mint, Silver Tanka, AH 239 (Retrogaded date for 932), Obv: Arabic legend "al-sultan bin al-sultan Nasir ud-dunya wa'l din Abu'l Muzaffar", Rev: Arabic legend "Nusrat Shah al-sultan bin Husain Shah al-sultan al-husaini khuldallahu mulkahu" with retrograded date 239 & "zarb Chatgaon" completely visible at the bottom, 9.63g, 24.33mm, (Variant of G&G # B804, date is unlisted), XF-AU, Extremely Rare.