Extra Long Egyptian Assuit Art Deco Era in Diamond Pattern c. 1925. Measures 24"x88". Weight 2 pds. PROVENANCE: A Charleston SC Private Estate. Tulle-bi-telli, also known as Assuit or Assiut after Assuit where it is made, is a textile marrying cotton or linen mesh with small strips of metal.The base material is bobbinet, which is a machine-made fabric made of cotton or, in older pieces, linen. The embroidery is applied by hand. Thin strips of alloy are threaded onto a flat, wide needle with a flat, wide eye. Alloy is used because pure silver would blacken with age and would be impossible to clean, and gold would be too costly. The strips are threaded into the mesh, criss-crossed, flattened with the fingernails, and cut. The fabric is then stamped down, and when the designs are finished, the fabric is passed through a roller to flatten the metal even more. The geometric designs were popular with the Art Deco movement, beginning around 1925.