Original post here. Image contains the text “The Singapore slut and the sunken treasure.” Source text “The Singapore Slut by peterpulp.”
This is a crop a cover that appeared on the cover of Untamed magazine (November 1959). A post a Men’s Pulp Mags provides the cover and some commentary.
The artist is Ed Emshwiller (1925.1990). There is a small gallery of his work available at Project Gutenberg.