Today is the first day for 50,000W bills. Long overdue since 10,000W bills just make for thick, unsightly wallets and 100,000W notes are a pain to get and use. The woman pictured isn’t a former Korean queen. Shin Saimdang (신사임당 1504-1551) was famous for her paintings and calligraphy as well as her Confucist scholar son, Yulgok. Her respectful nickname was “wise mother.”