ISLAMIC, Ottoman Empire. Ahmad I, AH 1012-1026 / AD 1603-1617. Sultani (Gold, 20 mm, 3.49 g), Jaza’ir (Algiers), AH 1017 = 1608/9. ‘Sulṭān Aḥmad / ibn Muḥammad Khān / ʿazza naṣruhū ḍuriba / fī Jazāʾir / 1017’ (‘Sultan Ahmad, son of Mehmed Khan. May his victory be honoured! Struck in Algiers, 1017’ in Arabic). Rev. ‘ḍārib al-naḍr / ṣāḥib al-ʿizz wa al-naṣr / fī al-barr wa al-baḥr’ (‘Gold striker, owner of glory and victory, in the land and sea’ in Arabic). Album 1347N. Very rare. Minor areas of weakness, otherwise, very fine.