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.
Ukrknigotsentr" (Ukrainian Book Distributing Center) was an agency that collected libraries and books for the trade unions, factory reading rooms, collective farms, and district libraries. It distributed the publications of DVOU (United State Publishing Association of Ukraine). Their office was located at 11 Sergievskaia Square, Kharkov.
Narkomfin was created at a national level in 1923 and its management structure was based on the People's Commissariat of Finance of the RSFSR (Russian Soviet Federative Socialist Republic) that existed as early as 1917. Its powers overseeing state financial control had been previously under Rabkrin (Workers' and Peasants' Inspectorate). In 1946, Narkomfin was re-configured as the Ministry of Finance of the Russian Soviet Federative Socialist Republic. The entity existed until the collapse of the USSR in 1991.