Thursday’s ad is for Blatz Beer, from 1951. The ad is part of Blatz’s “I lived in Milwaukee, I ought to know” series from the later Forties and Fifties that featured prominent celebrities, sports figures and famous folks from Milwaukee claiming to know “Blatz is Milwaukee’s Finest Beer” because they lived there, or near there, at some point in their lives. This one features famous comedian and actor Groucho Marx, who was born in New York City, but according to the ad copy he “played Milwaukee dozens of times.” At least they changed the headline from “I lived in Milwaukee” to “I’ve been to Milwaukee, I ought to know…”