This calligraphy composition features the signed work of several of the most highly reputed Ottoman calligraphers: Seyh Hamdullah, Hafiz Osman, Hafiz Yusuf, Mehmed Rasim and Mahmud Celaluddin.

Masterful calligraphy
Turkey. Early 19th century. 65.8 x 53.2 cm. Thuluth and naskh scripts. Courtesy of the Nasser D Khalili Collection of Islamic Art.