1542 - 1609
Attributed to Yi U (also known as Oksan)
Korean
Hanging scroll; painting: ink on silk; with one 'chŏng'-shaped (Chinese, 'ding'-shaped), red, relief seal reading "Ok San", purportedly of the artist; inscription: ink on paper; with signature of the calligrapher reading "Kim Kwang-guk"; with three seals, one of which reads "Kim Kwang Guk In"
Chosŏn dynasty, 1392-1910