The hat of the Emperor of Annam. According to a comment on flickr by Mr. Nguyễn Phúc Vĩnh Khánh, grandson of Nguyễn Phúc Ưng Tôn, the person in the photograph was Nguyễn Phúc Ưng Tôn, son of Nguyễn Phúc Hường Thiết and father of Nguyễn Phúc Bửu Lộc,
Agence Rol.
1922-06-24
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