A simple pressbook for Boris Karloff's The Man With Nine Lives stands out with its photomontage centerfold spread (here shown in two pages). Notice how the "screen's master of horror" is the key selling point.
Photos courtesy of Professor Kinema (Jim Knusch). Note: I believe the photos were taken at different times and for different makeups, based on the hairstyles and how Jack Pierce is dressed, so no sequential order is implied.