I am a collector, and an addict. I scour the streets obsessively searching for more of this, earlier works of that. There is an artist whose work I photograph so obsessively that I challenge anybody, including her, to have a greater collection. In fact, I think the only reason she hasn't put a restraining order on me is that she knows who I am. I famously found a hit up a dead end alley obscured from street view. So here is a sample of the thousands of images I have, from the prolific street work of the ridiculously talented, brilliant and ever modest Kaff-Eine...