In the checklist of Stephen, these coin is ZANZIBAR, not Kilwa The local sultans of Zanzibar struck a number of coins similar
to the Kilwa issues during the 8th/14th century. More precise dating of the rulers and their coinage is unavailable. Even the
sequence of rulers has not been determined. All coins lack mint and date, and nearly all are poorly struck.
Ishaq b. Hasan 1190 AE fals R1191 AE fals RR?