5th-4th century BC. A carnelian stamp seal, pierced horizontally for suspension, accompanied by a museum-quality impression and a typed and signed scholarly note issued by the late W.G. Lambert, Professor of Assyriology at the University of Birmingham, 1970-1993, which states: 'This is a scaraboid...The design on the face shows a walking humped bull, and above its back a crescent above a dot. This is a Greco-Persian gem, c.450-350 B.C., from some part of the Achaemenid Persian empire. It is nicely engraved and in fine condition. The crescent and dot is a symbol, but its significance is unknown to us.' 6.17 grams, 21mm (1"). From the Empire collection, an important UK private collection of seals, acquired between 1980-1983; accompanied by a copy of a typed and signed scholarly note, by the late W.G. Lambert, Professor of Assyriology at the University of Birmingham, 1970-1993.