Just came across my Twitter feed and thought I'd pass along this blog write up from mental_floss' Scott Allen.
In 1984, Donruss released what some collectors consider one of the greatest baseball card sets of all time. In addition to 26 Diamond Kings—a subset of cards depicting a star player from every team—the 660-card set included 20 Rated Rookies, a new subset that highlighted a crop of promising young players selected by New York Daily News writer Bill Madden. The Rated Rookie would become a staple of the Donruss brand for years to come. (more)
One on my non-Topps favorite sets growing up as a kid. Have a factory set that I need to put into sheets and binder some day.