Watch List notes:

ISLAMIC, Ottoman Empire. Mahmud I. AH 1143-1168 / AD 1730-1754. AV Zer-i Mabub (20mm, 2.59 g, 12h). Islambul (Istanbul [Constantinople]) mint. Dated AH 1143 and ayn (AD 1730/1). Damali 24-K-A10f; Album 1317; ICV 3300. Toned, deposits in devices, flan crack, underlying luster. Near EF.