This is a copper pitis from Palembang Sultanate.
This pitis was struck during the reign of Sultan Muhammad Baharuddin (1778-1803CE)
هذا فلوس في ملك فلمبغ سنه ٨ ٩ ١ ١
Hadha Falus Fi Malik Palembang sanah 1198.
This is the money of King of Palembang year 1198
Reverse is blank.
1198 AH is equivalent to 1783 CE.
It seems that this calligraphy is Thuluth in style.
The Palembang Sultanate emerged after the collapse of Majapahit Empire in 1550 CE. It was started by the son of the last ruler of Majapahit who converted to Islam and changed his name from Ario Dillah to Ario Abdillah.
Obv: Hadha Falus Fi Malik Palembang 1198
Weight : 1.99 gm
Dim : 22mm
Date : 1198 AH
Denom : Pitis
Material : Copper