The artist's name on the poster is not indicated. By assigning Artist Unknown to a poster it also could mean the artist used a chop mark whereby no signature is seen thus rendering the artist's identity anonymous.
Orbis Nakladatelství (Orbis Publishing House) was located in Prague, Czechoslovakia at 46 Stalinova (today, 46 Vinohradská) Street. It also had a printing operation. The publisher's origins herald back to 1921 when it was developed by the Ministry of Foreign Affairs. Orbis turned out literature concerning politics, sociology, art, technology, economics and tourism. It also published newspapers and magazines. Under the state-controlled economy of the Czechoslovak Socialist Republic (from 1948 to 1989), Orbis was under the control of the Ministry of Information whereby it served as the state's publishing house. Orbis published books, posters, political literature and it had a music division. In 1948, Orbis merged with the Neubert Printing Works.
ÚAVNF (Ústředního akcního vyboru národní fronty) was the Central Action Committee of the National Front of Czechoslovakia. It was formed in February 1948 by the directive of Klement Gottwald, chairman of the Communist Party of Czechoslovakia (KSČ) that was under the chairmanship of Antonín Zápotocký, Prime Minister from 1948 to 1953. Zápotocký later served as the President of Czechoslovakia from 1953 to 1957. The Committee had around 93 members and was completely controlled by the Communist Party.