SET OF 4 WEIGHTS Agate, carnelian, basalt, haematite Dim. max L. 3 , 8 x H. 2 , 6 cm - 2 1 gr ; Dim. min L. 1 , 4 x H. 0 , 8 cm - 0 , 8 gr Mesopotamia, c. 2nd millennium BC Provenance Private European collection, bought from Ancient Art, Chris Martin, Southgate, London, circa 1990 Duck-shaped, some with perforations in the neck. A Lot of 4 M esopotamian stone duck-weights. ca. 2nd Mill. BCE. In agate, carnelian, basalt and hematite.