The 50 self-portraits were originally created as a game, "S.O.S.Starificaion Object Series: An Adult Game of Mastication", 1974–75, which Wilke made into an installation that is now in the Centre Pompidou, Paris.
De 50 självporträtten presenterades ursprungligen som ett spel, "S.O.S. Starification Object Series: An Adult Game of Mastication", 1974–1975, som Wilke sedan gjorde till en permanent installation som idag ingår i Centre Pompidous samling i Paris.