Proletars (workers) of all nations - Unite! First of May - workers have nothing to lose except their goals, and they will gain the whole world

This image features a vintage poster showcasing a man holding a flag and the globe mostly covered with the red Soviet flag. The poster includes a map of the world in the background, with the man pointing towards it. The color scheme of the poster consists of earthy tones like beige, brown, and red. The text on the poster is in a language that appears to be Russian, mentioning the Russian Socialist Federative Soviet Republic and the first of may. The poster also contains a quote from Karl Marx and Friedrich Engels about the proletariat uniting. Overall, this poster seems to be related to the history of the USSR and the Russian revolution.