10x8 Sepia glossy finish vintage photograph from, "Blondie Meets the Boss", signed in blue ballpoint ink by Penny Singleton. Some edge wear, otherwise, in good condition. (1908-2003) Penny Singleton was an American actress, singer, dancer, and labor leader. During her 60-year career on stage, screen, radio, and television, Singleton appeared as the comic-strip heroine Blondie Bumstead in a series of 28 motion pictures from 1938 until 1950 and the popular Blondie radio program from 1939 until 1950. Singleton also provided the voice of Jane Jetson in the animated series The Jetsons from 1962 to 1963.Comes with a full Letter of Authenticity from Todd Mueller Authentics.