A TURQUOISE AND BROWN-PAINTEDCUERDA SECA POTTERY NICHE TILE (MUQARNAS) Uzbekistan, Central Asia, late 14th - early 15th century Of vertical rectangular shape, bent in the middle and with an arched and pointy head, decorated with concentric bands of alternated turquoise and brown-painted chevrons, the cuerda secalinings evident to the edges,framed within a plain white border, 27cm high. Provenance: London private collection since early 1980s.