MEDIEVAL MIDDLE EASTERN DOUBLE RUNNING STITCH EMBROIDERY
Graphed by Rosemary Stecher (Mathilde Eschenbach)

Diamonds with hooks
One pattern from a sleeve, either black or red silk on linen, Egypt, 1201 - 1500
Errera, Collection d'Anciennes Étoffes Égyptiennes, p. 149, No. 346

This is object number 20053340 at the Belgian Art Links and Tools (BALaT KIK-IRPA) site.
The item is held at the Musées Royaux d'Art et d'Histoire.