This mural designed by local designer (and friend of IYP), Bartosz Sucharski, is a tribute to Rosa Luxemburg (1871-1919), who lived at this address in 1903. Luxemburg (born Rozalia Luksenburg in Zamość) was a Polish-Jewish Marxist theorist and revolutionary socialist, who co-founded the German Communist Party and lead the failed German Revolution at the end of World War I, for which she was executed in Berlin in 1919. Although a controversial figure today, she is a symbol of democratic socialism, remembered for her fierce opposition to militarism and authoritarianism. The author of numerous significant works of Marxist theory, in Poznań - where she published 'In Defence of Nationality' in 1900 - Luxemburg was a vocal opponent of the Germanisation of Polish society, and the restriction of Polish language and culture in the Prussian partition.

The light-hearted mural shows Luxemburg seemingly caught in the act of spray-painting 'SECESSION' on the wall, while a cat holds up a banner that reads 'Rosa Luxemburg was here.' It was unveiled in 2024 and can be found in the courtyard of the townhouse at Szamarzewskiego 21.