Monday’s ad is for Schaefer Brewing from 1970. The ad is promoting the idea of consistency with the curious tagline, “Every Glass of Schaefer Tastes the Same. That’s What Makes It Different.” The ad was for the Boston and New England market, suggesting enjoying your Schaefer beer while watching the Red Sox play baseball, and also mentioning that it was sold at the concession stands of, presumably, Fenway Park.