I first saw Franju's LES YEUX SANS VISAGE many, many years ago as the American-dubbed HORROR CHAMBER OF DR. FAUSTUS.
It totally changed my attitude about foreign films and the nature of horror.
I prefer the smaller poster, which features Claude Brasseur as the evil doctor, using chloroform to subdue his next victim. The expression on his face reflects a nonchalance that is quite disturbing.
Sam at Empire Posters recently sold one of these that I regrettably missed...