Late 15th Century Italian Velvet with Gold thread, the pattern unit measures about 77x28.5cm. Size 138" x22", 350 x 56cm.  textileasart.com

One of the great masterpieces of Late 15th century Italian cut velvet. 

Cf. European Textiles in the Keir Collection P.85 .. Pl. No.57

This textile was on display in the Chelsea Art Museum in the exhibition Italian Arabia from Dec 9 2008 until Feb.. 25 2009. It is published in the exhibition catalogue pg, 91