This textile was from either Eastern Iran or Sogdiana. Dated to the 8th-9th century C.E., it is a woven silk with the dimensions of 34cm by 44 cm. Seam visible on right of textile. Currently at the Metropolitan Museum of Art, although not currently on view.
Very similar roundel to previously posted Sogdian textiles in the post An early period Sogdiana coat.
Cochineal Red: The Art History of a Color by Elena Phipps. Met publications, 2010. PDF available for download through link.
Costume of the Samarkand Region of Sogdiana between the 2nd/lst Century BCE and the 4th Century CE by Fiona Kidd. Bulletin of the Asia Institute, 2003, page 35-69. Available through Academia.edu.
Ritual and Identity in Sogdiana by Melinda Niekum. Via Academia.edu.