Is that a NIPPLE in this 1937 ad for Simoniz?
(click ad, perv) Yes, this ad is from a 1937 issue of Life. And, yes, I think that is visible teat, though blurred a bit by the clear rain slicker. I'm greatly disappointed with the lack of double entendres in the boring copy, though (image via).
Previously in: racy retro advertising. Related: the Nipple Bra™.