“We have to get rid of the idea that graffiti is a form of vandalism…Graffiti artists are crusaders.” Frank Esselink, author, Vandals and Crusaders | International Herald Tribune, 31 May 2008

“This is the most culturally significant art movement of the second half of the 20th century, since Cubism and Surrealism…This art is very powerful, engaged and direct. After all these years I am still moved by its strength, and passion.” Henk Pijnenburg, Dutch art collector | International Herald Tribune, 31 May 2008

“This art is new and fresh, and has brought a lot more players into the auction houses.” Arnaud Olivier, Artcurial | International Herald Tribune, 31 May 2008