DJEMDET NASR BLACK STONE STAMP SEAL IN THE FORM OF A BULL. Ca. 3100 - 2900 BC. A black stone stamp seal in the form of a crouching bull with three dogs or foxes carved into its base. Studied by PD Dr. habil. Pieter Gert van der Veen, Johannes Gutenberg-Universität Mainz. Size: 25mm x 35mm; Weight: 20.21g Provenance: Private UK collection; Ex. European collection formed in France in the 1960s to 1980s; Ex. Bachmann collection.