If you’ve lived or traveled in Japan, you know full well how much of daily life in that cash-intensive society involves the use of thousand-yen bills. Once considered the equivalent of the American ten-spot, the yen’s lately having fallen to its lowest value in decades means that it’s now worth closer to six U.S. dollars. This is good news for tourists, and especially so for tourists who appreciate the woodblock-print art of Hokusai, whose famous Great Wave off Kanagawa adorns the brand new ¥1000 banknote.