Compare the work below, all created by the same artist, Fritz Willis. The top image is one of his earlier paintings and is just this side of being a cartoon for Esquire or Playboy, with stylized features and a golden aura. Below that is Willis' later work, from the Walter Foster art instruction book by Willis. The models are sophisticated women with a 60s' Las Vegas showgirl look about them. They're nicely done, but to my old and weary eyes they are commercial works trying to be fine art, whereas the first one is happy to be just a beautiful pin-up on a barrack's wall.
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