This was one of the first two sets of trading cards used to sell bubble gum. Before this, there had been cards used in many other fashions, including selling cigarettes. Many of the images here would be considered less than politically-correct today. However, they are significant artifacts of popular culture sixty years ago, and some of the images are quite striking. They had the same kind of appeal to boys in 1950 as serials like Tim Tyler's Luck or movies like Tarzan.