5th-4th century BC. A grey chalcedony stamp seal, pierced longitudinally for suspension; accompanied by a museum-quality impression and a typed and signed scholarly note issued by the late A.D.H. Bivar, Professor of Iranian Studies at the School of Oriental and African Studies, University of London, which states: 'A gray chalcedony scaraboid. Horse galloping to left. 5th-4th century B.C.' 4.36 grams, 19mm (3/4"). From the Empire collection, an important UK private collection of seals, acquired between 1980-1983.