Sargonic

"The Sargonic Royal Seal: A Consideration of Sealing in Mesopotamia." by Richard L Zettler, University of Chicago, in Gibson. Seals and Sealing (BIM: 6).

Sargonic: of or pertaining to Sargon and his dynasty, the Sargonic Period (2334-2154 BC). Sargonic Royal Seal, as defined by Zettler: A seal with formula "royal name, personal name, his servant" in which the king is establishing the person in an office, equipping him with the tool of the trade, a cylinder seal.

Cylinder Seal: a cylinder engraved with a written inscription and a pictorial scene, used to roll an impression on wet clay. Example of many uses: to "lock" doors by sealing them shut. to roll over clay tablet you are issuing. Etc...