Over the years, cereal manufacturers and other companies have included collector cards in packets to encourage buyers to continue to buy their product.
Additionally, early cigarette packet included cards featuring sportsmen and other images. This card was available in packets of Weeties, Crispies &/or Vita-brits and is dated to about 1954/55.
Card #8 of a series of 30, this card of Maggie McNamara has the following information on the rear.
Real name Maggie mcNamara. Born New York City, June 18; height 5'2"; weight 96 pounds; eyes hazel; hair dark brown. Sensational film debut in "The Moon Is Blue" in 1953, for which she received an Academy Award nomination. She signed a contract with 20th Century-Fox in 1953 and appeared in the CinemaScope romance, "Three Coins in the Fountain." She will be seen shortly in the ambitious CinemaScope drama, "Prince of Players."

Condition -
A couple of tiny marks in the top right corner; bumped/worn corner; otherwise clean and looking great