Miller Engineering’s 4th Beer sign. This beer was first produced in 1842 by the F. & M. Schaefer Brewing Company, leading to its billing as America’s oldest lager beer by its brewers. Until the mid-1970s, it was the world’s best selling beer. The brand was purchased by Stroh Brewery Company in 1981. Since 1999, it has was purchased by Pabst. #44-1302, Sm. Beer Billboard Size 2.2