"...only one of around a dozen self-portraits in the exhibition in which she is smiling. Her sister Lisbeth said later that it shows Kathe at a time when she was ‘famous for her laugh – her powerful sense of goodwill, which never asked for anything in return – her joyfulness at parties and her talent for dressing up so marvellously’." https://gerryco23.wordpress.com/2015/06/26/kathe-kollwitz-in-berlin-the-moral-conscience-of-germany/