Tughra (Insignia) of Sultan Süleiman the Magnificent (r. 1520–66) – The Metropolitan Museum of Art https://www.metmuseum.org/art/collection/search/449533
Tughra of Sultan Süleyman the MagnificentThe Ottoman Turkish sultans controlled one of the most efficient, well-organized, and effective governmental bureaucracies of early modern times; at the apex of this governmental structure was the Ottoman Imperial Chancery, which created, copied, and recorded all official governmental orders or decrees, known as firman, as well as treaties and official correspondence
Here is a link to download the audio instead.
