A KASHAN COBALT BLUE UNDERGLAZE-PAINTED POTTERY BOWL
Kashan, Iran, 12th century

Of hemispherical shape, resting on a short unglazed foot, the interior painted with eight cobalt blue vertical lines meeting in the centre and dividing the bowl in eight panels each filled with purple strokes and alternating black geometric patterns, the rim black, the exterior with fourteen black vertical lines, 19.5cm diam.