12/13th century Kashan lustre tile

Source: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=73464&item=3765287769&rd=1&tc=photo
(downloaded Nov. 2004)

"12/13th century Kashan lustre tile. This tile is unrestored and has only the tiniest damage, visible in the photograph. Measures 5-3/4" in width by 4-1/4" in height. Its maximum depth is 1-3/8 inches."