Ancient Coin Review 06 : Sultan Abdul Jalil Shah III - Johor Sultanate (1623-1677CE)

This is a silver coin from Sultan Abdul Jalil Shah era. He became the ruler of Johor Empire in 1623CE.

Octagonal silver coin ( Penjuru ) under the rule of Johor Sultan Abdul Jalil Shah III ( 1623 - 1677 CE).
Obv: Sultan Abdul Jalil Shah
Rev: Khalifatul Mukmin
Weight : 0.61gm
Dim : 12mm
Rarity : RR ( ref SS20a)