25th-22nd century BC. A carved hardstone vessel with bull's head, supplied with a signed scholarly note by W.G. Lambert, late Professor of Assyriology, University of Birmingham, 1970-1993, which states: 'Small vessel of hard black stone with relief around the outside: two cow() with sprouting water from a jar, and a large bull's head. Sumerian, c. 2500-2200 BC. Fine work, joined from two pieces, some surface corrosion. Vessels of this period are rare.' 174 grams, 93mm (3 3/4"). From a family collection formed before 1992; by descent before 1992, London and Geneva. Fine condition, repaired.