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.
The Association of Inventors (Assotsiatsii izobretatelei) -- abbreviated AIZ -- was formed in 1921 in Moscow. By 1978, it had a reported nine million members in its ranks. The association is also cited in publications as the All-Union Society of Inventors and Rationalizers, (VIOR).
Transposection was a division of the Consumer Cooperatives Union for the employees of rail and water transport. It oversaw consumer cooperatives for the nation’s transportation workers. It was formed in August 1922.