The Imperial Order of the Crescent was a chivalric order of the Ottoman Empire.
The star of the Order of the Crescent of the Ottoman Empire
Nelson, by Lemuel Francis Abbott - his Order of the Crescent, circled, is here painted the right way up.
Sébastiani de La Porta with his star, the wrong way up.
Horace François Bastien Sébastiani de La Porta
Horace François Bastien Sébastiani de La Porta was a French general, diplomat, and politician, who served as Naval Minister, Minister of Foreign Affairs, and Minister of State under the July Monarchy.
Portrait as marshal by Winterhalter (1841). Sébastiani is depicted with the Bosphorus and the Hagia Sophia in the background, referring to his role as ambassador to the Ottoman Empire from 1806 to 1808
Sébastiani as a Lieutenant of the light infantry in 1793, by Jean-Baptiste Paulin Guérin (1835)
Order of The Crescent insignia
Horace Sébastiani, portrait by Philippe Joseph Tassaert, ca. 1800