naked woman looks worried as she washes her hair in a lake and stares at some threat in the distance

This looks like a classic case of skinny-dipping gone wrong, but in fact it’s part of a two-page illustration that introduced the ludicrous story “The Sergeant Who Decoyed The Nazi’s Fraulein Werewolves” in the July 1960 issue of Stag magazine:

skinnydipping pulp illustration in Stag magazine

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