November 28, 1938 - September 4, 1999 / Sagittarius / Age 60
Joni Mattis was an American Playboy model. She was born on November 28, 1938 in Chicago, Illinois, United States.
Joni Mattis's measurements are 33-18-32, she has natural breasts.
Joni Mattis is the Playboy Playmate of the Month for November 1960. She was 21 years old when she became a Playmate.
Her real name is Joan E. Mattis. Joni was the lightest Playmate of the Month ever. She is known for her work on Playboy After Dark (1969) and Playboy's Penthouse (1959).