I must confess that I was completely unfamiliar with Mohassess's work, but there's an exhibit of it in New York city. See Life in Iran, Etched With Suspicion and Humor By KAREN ROSENBERG, New York Times May 30, 2008. In Ardeshir Mohassess’s drawings, the coded beauty of traditional Persian art comes face to face with the ugliness of successive autocratic regimes.

and "Satire, Iranian," by Ben McGrath, New Yorker June 2, 2008