Paul Di Filippo says:
This is not an artifact of me fooling around with Photoshop. Nor can I imagine some Google drone did this during the newspaper-scanning process. You're welcome to look at the original here.Do you kiss Betty and/or Veronica with that mouth?
My guess is some bored artist or letterer in 1947 seeing what he could sneak past the editor.
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects