When I was 17, I bought book about graffiti from a man, and 13 years later I found the very same man in front of me at work. That man is David Samuel. If you are in the graffiti world there is no need to explain who he is, but if you aren’t… David has been in the British graffiti scene for years. He set up the Rarekind crew back in 1997. In 2003, he created one of…