Alabaster work set in porcelain tiling at Golestan Palace in Tehran, Iran. Looking closer at the threshold steps, that's not rust or wear causing the striping pattern but more polished alabaster or marble stones. Very beautiful!
Detail of Woodpecker tapestry designed by William Morris. (The complete tapestry has a border and inscription.) (Identification from Linda Parry: William Morris Textiles, New York, Viking Press, ISBN ) Date 1885