Date and mint / Mahmud's tughra. Dated to the frozen accession date 1143 AH (1730 AD). 16mm, 0.41 grams grams. Constantiniyya (Constantinople or Istambul) mint. KM #193.
Mahmud I, called the Hunchback (Kambur) (2 August 1696 13 December 1754) was the Sultan of the Ottoman Empire from 1730 to 1754.