ISLAMIC, Islamic Weights. Circa 17th-19th centuries. Weight of 5 Dirhams (Bronze, 12x12x12 mm, 15.00 g), an Ottoman coin weight in the form of a polyhedron with the symbol of the engraver punched on each face. Istanbul -. Silifke -. A very unusual and interesting piece. Patina stripped and with minor deposits, otherwise, extremely fine.