Cream of Wheat, a cereal first marketed in 1898, is still a popular winter breakfast cereal. A trolley sign in a recent auction showed the picture of a box of Cream of Wheat and two children eating it …Cream of Wheat, a cereal first marketed in 1898, is still a popular winter breakfast cereal. A trolley sign in a recent auction showed the picture of a box of Cream of Wheat and two children eating it …