Thursday’s ad is for Guinness, from 1932. While the best known Guinness ads were undoubtedly the ones created by John Gilroy, Guinness had other creative ads throughout the same period and afterward, too, which are often overlooked. This ad, one of many that used Lewis Carroll’s Alice in Wonderland is titled “Off With Its Head!,” and is about not chopping off a head, but the head on a glass of Guinness … oh, and croquet.