TurkoTek Discussion Forum. "The piece directly above measures 9’ 9” X 6’ 6” (297 X 198 cm). It is approximately the size of the second Ushak in Dennis’ exhibition, ARG 31, estimated to have been woven in the 18 century."
Floor covering handwoven in Kula, a town east of İzmir, in western Turkey. Kula prayer rugs were produced throughout the 19th century and into the 20th and have been favourites among collectors. Usually...
Turkotek article on Anatolian rugs used in 17th century (and later) paintings. Note: "FIG. 123. 1615-1620. Unknown painter. Elizabeth Howard, later Countess of Suffolk. Detail. Kenwood House."
Another Turkotek image of a medallion Ushak: "FIG 124. 1620-1625. D. Mytens. King James I of England. Detail. Knole Sevenoaks, Kent"
Skokloster Castle history in wiki. The owner died in 1676 and all the contents stayed as they were in sort of cold storage so the textiles (read 'carpets') are unusually well-preserved.
Antique Eighteenth Century Oushak | From a unique collection of antique and modern turkish rugs at http://www.1stdibs.com/furniture/rugs-carpets/turkish-rugs/
Christie's Large Medallion Ushak, late 17th century, approx 7' x 13', even low pile, scattered repairs, reweaving, repiling, etc. Est. was for up to $45,500 but it sold for $112,660 (Apr 2013)
Christie's, "large medallion ushak", 17th C, heavy wear/corrosion, 7'7" x 12'2", sold for $44,385 in 2012.
1st Dibs 17th c Anatolian Carpet $22k listed May 2016. Looks identical the the one on Rug Rabbit.