Vintage Japanese Two-Way Pictures

Pink Tentacle has a neat post about joge-e, or "two way pictures," produced for mass consumption in 19th century Japan:

This print by Kuniyoshi (c. 1852) depicts Hotei (Laughing Buddha) and Shoki (a character from the “Romance of the Three Kingdoms“). When viewed upside-down, Hotei becomes Asahina (a character from a popular novel of the time) and Shoki becomes Zhang Fei.

Link