Bowl with birds, approx. 800-1000, Eastern Iran; probably Nishapur

Earthenware with underglaze slip decoration

Asian Art Museum, San Francisco, California

Bowl, Greater Iran, Nishapur or Samarqand, 10th century

Earthenware, white slip, underglaze slip-painted

Los Angeles County Museum of Art, Los Angeles, California

Bowl fragment, Iran, Kashan, 1200-20

Fritware, underglaze and overglaze luster-painted and gilded

Los Angeles County Museum of Art, Los Angeles, California

Bowl, Iran, Kashan, early 13th century

Fritware, underglaze-painted

Los Angeles County Museum of Art, Los Angeles, California

Bowl with overall floral patterning, approx. 1100-1300, Iran; Rayy or Kashan

Mina'i ware, fritware with underglaze and overglaze decoration

Asian Art Museum, San Francisco, California