We know of not a single proper self-portrait of Friedl Dicker-Brandeis. A brisk charcoal sketch bears some of her features, and arguably can be considered a self-portrait.
In two other paintings she depicted herself merely schematically.
Portrait of a woman (self-portrait?)
1919-23
Charcoal on paper
52 x 41,5
Jewish Museum, Prague
Interrogation
1934
Oil on plywood
120 x 80
Jewish Museum, Prague
Lady in a car
1940
Pastel on paper
43,5 x 56
Jewish Museum, Prague