A NISHAPUR BUFFWARE POTTERY BOWL Iran, 10th century  Of circular shape, resting on an uneven short circular foot, the rim straight and slightly bent inward, underglaze painted in black slip, yellow, red and green, the interior decorated with a stylised peacock and a rosette, concentric bands of fretwork and geometric motifs to the cavetto, the exterior plain except a continuous band of circular and arrow-shaped motifs just below the rim, 21cm diam.  Provenance: Private UK collection, purchased in Iran in the late 1960s, thence in the family by descent.