Ottoman Empire. Mustafa III, AH 1171-1187 / AD 1757-1774. Zeri Mahbub (Gold, 20.5 mm, 2.63 g, 12 h), Kostantiniye (Constantinople) mint, dated year AH 1171, year 9 = 1766 AD. Toughra; mint name and date below. Rev. Legend in four lines. KM 335. Pere, 618 var. Sultan, 2258 var. A sharp and well struck coin of exceptional quality. Virtually as struck.