From the site, all these posters contains negative propaganda message against Japan. Russia authority has since destroys all such posters. So, this could be the last time you are going to see it here. (Link)
I remembered Singapore use to have China Maoist’s propaganda materials selling at some black market book shop, those are consider banned by Singapore government during my father’s time. I am quite fortunate to see some of them, because my grandpa sneaks them in.