This is a sprang woven turban found on the head of a child mummy, from the 3rd-4th century in Upper Egypt. The length is 68cm with a width of 40cm. It is a linen net. The turban is in the Metropolitan Museum of Art.
The Metropolitan Museum of Art’s book Textiles of Late Antiquity by Annemarie Stauffer can be downloaded in pdf format through the link.
The sprang pattern has been charted and can be seen in a YouTube video-
The Sojourning Spinner has created over 40 videos on sprang on her YouTube Channel.