between 3100 B.C. and 2900 B.C.
      
            black serpentine ;
      
            Morgan Seal 39 
      
  Description
              1 cylinder seal : black serpentine ; 33 x 9.5 mm
          Provenance
              Acquired by Pierpont Morgan sometime between 1885 and 1908.
          Notes
              "[39] shows patterns probably derived from weaving and mat plaiting." Porada, CANES, p. 7
          Summary
              Herringbone pattern.
          Catalog link
              
          Classification
              
          Place
              Southern Mesopotamia.
          Department
              
          