The words are mainstream anarcho-lefty stuff, but the name being quoted is a bit of a departure for the place where I spotted this. I took this photo in March, in Leake Street, which is a tunnel under Waterloo Station where graffiti artists do their best and their worst, with results that constantly change. Thank my Photoshop clone for how clear those words are. I went through the Leake Street tunnel again today and wondered if this sign had survived, but of course there was no sign of it. Here is how Leake Street mostly looks.