MESOPOTAMIAN AGATE DUCK WEIGHTS - WITH ORIGINAL REPORT BY PROF. LAMBERT. Ca. 2000 - 400 BC A collection of seven agate duck weights, each carved as a recumbent bird with a rounded back and head tucked against the body, the underside flat. Size: 16-22mm x 12-16mm; Weight: 28g. Provenance: Private London collection of an Ancient Art dealer; Formerly in a central London family collections 1990s; Suggested to be examined by Professor Wilfrid George Lambert FBA (1926-2011), historian, archaeologist, and specialist in Assyriology and Near Eastern archaeology, in the late 1980s and early 1990s.; ex. 1970s/early80s UK art market. For similar see: The Metropolitan Museum of Art, Object Number: 1980.324.2.