Watch List notes:

Bengal Sultanate, Nasir-ud-Din Nusrat Shah, Husainabad Dar-ul-Darb Mint, Silver 1/2 Tanka, Obv: al-sutan bin al-sultan nasir al-dunya wal din abul muzaffar nusratshah, Rev: al-sultan bin husain shah al-sultan al-husaini khallada allah mulkahu, 5.05g, 19.17mm, (GG # B826), about very fine, Very Rare.