A SLIP-PAINTED SARI WARE POTTERY BOWL Iran, 10th - 11th century Of conical shape, resting on a short circular foot, covered in white slip with decoration in brown, black and red, the interior decorated with an abstract spiral design to the centre, straight vertical lines to the cavetto, a red band with white stippled motif followed by the same motif in black over white ground, the white slip-painted exterior plain except a continuous band of wavy pattern below the rim, 24cm diam. Provenance: Private UK collection, purchased in Iran in the late 1960's, thence in the family by descent.