Samurai armor. The armor of each family differed. 18th to early 19th century, Japan.
Yamamoto Yaeko (1 December 1845 – 14 June 1932), also known as Niijima Yae, was skilled in gunnery and took part in the defense of Aizu when the Boshin War broke out in 1868. Later she served as a nurse during the Russo-Japanese War and Sino-Japanese War, and became the first woman outside of Imperial House of Japan to be decorated for her service to the country.