The mianguan, also called benkan in Japan, myeonlyugwan in Korea, and Miện quan in Vietnam, is a type of crown traditionally worn by the emperors of China, Japan, Korea, and Vietnam, as well as other kings in the East Asia.
A mianguan in the Ding Ling Tomb Museum within the Ming Tombs
Mianguan from the tomb of Ming dynasty prince Zhu Tan, 10th son of the Hongwu Emperor
Tracing of figure wearing mianguan in Yinan Tomb stone-relief in Shandong Province.
Figure wearing a chángguān, excavated from the Mawangdui, Western Han, 2nd century BC.
The benkan is a type of crown traditionally worn by Japanese emperors and crown princes. It is also called tama no kōburi .
Benkan of Emperor Kōmei
Gilt bronze crown excavated from Fujinoki tomb, late 6th century (reconstruction).
Mianguan of Wanli Emperor of Ming Dynasty.
Portrait of Emperor Shōmu, 13th century. The crown depicted is not a benkan, but a common suiei-kan (垂纓冠) of the 13th century.