The "50000 won"

The "50000 won (오만원)", the correct pronunciation is "o-man won".
The person depicted in the bill was Shin Saimdang (신 사임당) she was a korean artist, a writer, a calligraphist and the mother of the Korean Confucian Lee I.
On the reverse of the bill is the Bamboo, which is so important in South Asia and the Plum tree, the tree of the plum blossom.