Toyen

Template used: Traditional Stamp Border

Hijacked from Wikipedia:

Marie Čermínová (21 September 1902, Prague – 9 November 1980, Paris), known as Toyen, was a Czech painter, drafter and illustrator and a member of the surrealist movement.

Other artsy stamps:
Vincent van Gogh  Egon Schiele  Edvard Munch  Gustav Klimt #1  Gustav Klimt #2  Paul Klee  Wassily Kandinsky  Gustave Courbet  Hieronymus Bosch