Do you kiss Betty and/or Veronica with that mouth?

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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.

My guess is some bored artist or letterer in 1947 seeing what he could sneak past the editor.
Do you kiss Betty and/or Veronica with that mouth?