Authoritytgm000829Scope NoteAdvertising or collectible cards that feature portraits of baseball players, other people, or topics associated with the game. Introduced in 1886 or 1887 by a tobacco company; also popular with bubble gum manufacturers beginning in the 1930s. Common sizes include 1.5 x 2.5 inches, 2.5 x 3.5 inches, and ca. 5 x 8 inches. The cards may be actual photographs mounted on card stock or photomechanically printed.
