Association of Revolutionary Visual Artists

The Association of Revolutionary Visual Artists of Germany (German: Assoziation revolutionärer bildender Künstler Deutschlands, or ARBKD) was an organization of artists who were members of the Communist Party of Germany (Kommunistische Partei Deutschlands, or KPD). Known primarily by its shortened name, "Asso", it was founded in March 1928.

Source: Wikipedia — Association of Revolutionary Visual Artists (CC BY-SA 4.0)