A panel in knotted kufic, Khurasan, 13th c.

Source: http://www.christies.com/LotFinder/search/LOTDETAIL.ASP?sid=&intObjectID=4272511&SE=CMWCAT03+678297+%2D722043250+&QR=M+1+0+Aqc0000900+645792++Aqc0000900+&entry=india&SU=1&RQ=True&AN=1
(downloaded Apr. 2004)

"A KHORASSAN CARVED YELLOW STUCCO PANEL. NORTH EAST IRAN, 13TH CENTURY. Of rectangular form carved with the phrase al-mulk illah in elegantly knotted and foliated kufic, slightly rubbed, possibly incomplete on left hand side, mounted on board. 10 3/8 x 14½in. (26.5 x 37.8cm.)

Lot Notes: A similar but more complex and fragmentary carved stucco tile with knotted kufic inscription is in the Victoria and Albert Museum (Lane, Arthur: A Guide to the Collection of Tiles, London, 2nd. ed. 1960, pl.7)."