Rummaging in the online archives of the Swedish National Library (Stockholm), for some reason I can't now retrieve, I found these witty posters by Wilhelm Kage from 1915-1923. Kage (1889-1960) is better known for his porcelains for the Gustavsberg Pottery and for most of us, it would be a stretch to name a Swedish poster artist. But the smiling upside-down bat-girl won my heart. Kage had fun with poster conventions of the day and he deployed his colors with panache.
Images: Swedish National Library, Stockholm.