From the collection of yours truly…
[CLICK IMAGE TO ENLARGE]
ABOVE: Frank Kane, The Fatal Foursome (New York: Dell, 1958), with cover art by Victor Kalin.
The ragged white patches along the head and shoulder of the figure in the foreground might look a bit like wear on the paperback, but I assure you they’re actually part of the original artwork.
BONUS LINK:
NoirWhale > NoirArt > Victor Kalin