These images are a unique art form of topsy-turvy faces.
These match boxes & now these cards can be viewed upside down or right side up or may be the other way around, either way a face appears. Noses become forehead creases, mustaches become sweet little curls on a girl's head.
Though some of these images we had come across as illusions but never knew these were actual on the match boxes of gone by era.
Click on the images to enlarge.
Illusions Of Faces
Cool Magazine Illusions