This is the cover for DC Comics' Showcase # 74 featuring "Anthro" by Howie Post. Post was much more prolific in the newspaper comic strip format, but this short-lived (this issue of Showcase plus six issues of his own comic) series was a gem. Post's art was not typical for DC or Marvel comics at that time, but his scratchy cartoony style was both eye pleasing and appropriate to the subject matter. I was nine years old when this came out in 1968, and I enjoyed it for what it was at face value - cavemen. Rereading it years later, I realized that Post was using the genre to give his own take on issues of the day such as the Generation Gap and Women's Liberation. I still find it amazing that major comic book publishers took chances on offbeat series like this. Now it's spandex clad heroes or nothing from DC and Marvel.