Watch List notes:

TURKEY: Mahmud II, 1808-1839, AR "pattern " çeyrek (0.37g), Kostantiniye, AH1223 year 21, KM--, NP-754-type, three stars below the toughra on obverse, probably struck later in the 19th century, justified by its style, Unc.

Estimate: 80- 100 USD