Nishapur Blue-Glazed Dish Collection 10th-13th century A.D. A trio of wheel-thrown dishes, each with a shallow foot: a turquoise-glazed example with helical motif around the rim, roundels and central interlace motif to the bowl; a second turquoise-glazed bowl decorated with dark amorphous patches to the rim and an interlace-style motif to the bowl; a dark blue-glazed bowl with black strips to rim, three nodules to bowl, concentric roundels framing an interlace design; iridescent surfaces. 599 grams total, 14.5-15.5 cm wide (5 3/4 - 6 1/8 in.). Private California collection, USA. With Artemis Gallery, Colorado, USA. Private collection of Professor Kenneth Graham, London, UK. Accompanied by a certificate of authenticity from Artemis Gallery. [3]