محمدتقی صفاری

Silver coins of Alexander of Macedonia, until the arrival of Parthians in the 1st century BC, have been put in WDXRF in order to determin Ag, Cu, Pb and Au as major and trace elements for fineness, debasement and refinement of silver in ancient Persia. Seleucid kingdom from 4th to 1st century BC was succeeded by several dynasties and kings. But the chemical composition of their silver coins and their fineness shows there was no changes in technology and economic policy.