MALAY ARCHIPELAGO, Islamic Sultanates. Johor. Abdullah Ma'ayat Shah. 1615-1623. AV Kupang (13mm, 0.63 g, 12h). sultan abd allah shah in three lines within octalobe / khalifat al-muminin in two lines within octalobe. Cf. SS-11 (AV Mas). Lustrous. Good VF. Rare.