ISLAMIC, Islamic Weights. Circa 10-13th centuries. Weight of 20 Dirhams (Bronze, 24x14x18 mm, 58.56 g), a Seljuk or Beylik coin weight in the form of a polyhedron with truncated end; all faces covered with 'bird's eye' motives. Istanbul 345. Silifke 127. A very rare heavy weight of 20 dirhams. Very fine.