Gold World Coins Ottoman Empire. 'Abd al-Hamid I, AH 1187-1203 / AD 1774-1789. 1/2 Zeri Mahbub (Gold, 19 mm, 1.32 g), Islambul, AH 1187 = AD 1774, RY 5 = AD 1778. Within a central circle surrounded by
Gold World Coins Ottoman Empire. 'Abd al-Hamid I, AH 1187-1203 / AD 1774-1789. 1/2 Zeri Mahbub (Gold, 19 mm, 1.32 g), Islambul, AH 1187 = AD 1774, RY 5 = AD 1778. Within a central circle surrounded by