Coat of arms of the Nguyễn dynasty

The coat of arms of the Nguyễn dynasty (Vietnamese: Quốc huy triều Nguyễn; Hán-Nôm: 國徽朝阮), officially the national coat of arms of Đại Nam (Vietnamese: Quốc huy Đại Nam; Hán-Nôm: 國徽大南), was the national coat of arms of the Nguyễn dynasty adopted during the reign of the Thành Thái Emperor to be used when accepting diplomatic missions and foreign dignitaries at the Imperial City of Huế. The coat of arms of the Nguyễn dynasty would later also be used as a personal symbol of its emperors replacing the characters 大南 with their reign era, with the latest of these variants being used in official correspondence during the State of Vietnam period.

Source: Wikipedia — Coat of arms of the Nguyễn dynasty (CC BY-SA 4.0)