491303 Roundel from a Curtain, 300s (plain weave ground with tapestry weave & supplementary weft wrapping, un-dyed linen & dyed wool) by Byzantine School; h:45.20 w:47.70 cm; Cleveland Museum of Art, OH, USA; (add.info.: This roundel, which originally decorated a curtain, displays a perfectly interlaced knot that was believed to provide protection from harm. Two interlacing squares form an eight-pointed star whose points are connected by an undulating strand. An extra linen weft forms the entire knot pattern on the rich purple wool ground. ); Gift of Henry Hunt Clark; out of copyright.