Tughra: calligraphic monogram, seal or signature of a sultan affixed to all official Ottoman documents. Publ. on Magasin Pittoresque, Paris, 1833 Stock Photo - Alamy
The Sultan's Signature Ottoman Calligraphy From the Sakip Sabanci Museum: Derman, M Ugur: 9780892072422: Amazon.com: Books
Tughra - Wikipedia
Signature of Sultan Abdulhamid II Ottoman Empire Tughra Gift - Sultan - Pin | TeePublic
Signatures of Ottoman Sultans Stock Vector - Illustration of monogram, historical: 171541238