Estimated to circulate in the state of Terengganu around late 18th century until early 19th century.
The condition I have is readable and ciphered, I would put it as Extremely Fine (EF) condition.
Arabic words, read: Kali Malik Al Adil
Translation: The Reign of the Just Ruler
Source: The Encyclopaedia of The Coins of Malaysia Singapore And Brunei (Saran Singh)