diamond aigrette of ottoman sultan abdulhamid i

This sorguç /Ottoman sultans' turban ornament/ was gifted by Ottoman Sultan Abdulhamid I to Russian Empress Catherine the Great in commemoration of the Treaty of Küçük Kaynarca. The Treaty of Küçük Kaynarca /Küçük Kaynarca Antlaşması; Кючук-Кайнарджийский мир), formerly often written...