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.
Doloi Negramotnost' was the name of a Moscow based publication as well as a campaign to eradicate illiteracy in the U.S.S.R. The program began in 1919 when Vladimir Lenin signed the decree "On eradication of illiteracy among the population of RSFSR". All Soviet citizens aged 8 to 50 years were required to be literate in their native language. The printer was located in Moscow at 4 Kuznetskii Lane.
The State Publishing House of Sycamore Music was located at 13 Kolpachnyi Lane, Moscow. Prior to it being nationalized, Sycamore Music was an independent publishing and printing entity.