The saddle blanket appears to be made of a black velvet decorated with applied motifs worked in silver thread. The designs include large butehs alternating with stylised trees over a line of small geometric shapes. There is an applied fringe along the lower edge.
See also the TRC digital exhibition Dressing The Stans: Textiles, Dress and Jewellery from Central Asia (TRC, Leiden, 2017).
National Army Museum online catalogue (retrieved 12th March 2017).
WV