Bengal Sultanate, Chittagong Trade Coinage, Silver Tanka, Large Flan, In the name of Adam-Humayun, Obv: Arabic legend The Kalima Shahada, Rev: Arabic legend "Faqari Adam Humayun Nasr ud-din Kabiri", 10.3g, 28.14mm, (G&G # B1008), struck in usual crude style, about extremely fine, Very Rare.
Note: There is a possibility that this type refers to Adam Shah, the Arakanese governor, as well as Ramu and Charkaria under Min Palaung, alias Sikandar Shah. In some specimens of this type, he is Muhammad is pointed. These coins were perhaps struck in Ramu.