Bowl with repeating inscription, 'Happiness', in ornamental Kufic script. Metropolitan Museum of Art

Bowl with Kufic Calligraphy, 10th century. Ceramic; earthenware.National Museum of Iran, Tehran, Iran

Bowl with Kufic Calligraphy, 10,11th century. Ceramic; earthenware. Metropolitan Museum of Art.

Bowl with Kufic Calligraphy, 10,11th century. Ceramic; earthenware. Metropolitan Museum of Art.

Unglazed pottery with inscriptions from the Holy Quran in Naskh script. 11,12th century, National Museum of Iran, Tehran, Iran.