The Russian Nesting Doll Theory Of Secret Identities

For those times when you need to be extra careful about your secret identity, nothing beats wearing a rubber mask of your secret identity, over your super hero costume, over your actual face.

Script by Cary Bates
Pencils by Curt Swan
Inks by Murphy Anderson

Action Comics #408
The Shocking Secret Of Super-X!
January 1972
Copyright (c) DC Comics