ATTRIBUTABLE TO AHMAD QARAHISARI, OTTOMAN TURKEY, 15TH CENTURY

A leaf of identical composition, illustrating various forms of the letter ha is published in Annemarie Schimmel, Calligraphy and Islamic Culture, New York and London, 1984, p.76-77, Courtesy of the Fogg Art Museum). It very probably comes from an album signed by Ahmad Qarahisari (1469-1556 AD) of which a panel with the signed colophon is also in the Harvard University Museums (Gift of John Goelet, 1958.208, https://www.harvardartmuseums.org/art/215386). Another folio from the same album, an exercise on the letter mim, sold at Christie's South Kensington, 5 April 2012, lot 589.