A Kashan silhouette ware turquoise glazed bowl, central Iran, early 13th century, of conical form with gently waisted sides, covered in a deep black slip, decorated with a central rosette surrounded by a trellis design, the whole covered in a clear turquoise hued glaze. Together with a Japanese wooden box. 8.5 cm high, 21.25 cm diameter. Provenance: Tokyo Art market, other notes: for a similar bowl see Christie's, London, Islamic Art and manuscripts, 15 October 2002, lot 70.