In 2006 a spray painted work of “Moona Lisa” sold for £54,000 at Bonham’s London, ten times its estimated value. Nick’s sold-out shows in LA and London had collectors waiting for over 24 hours to secure his latest print. ‘I became a little obsessed with subverting the image of Mona Lisa. Figured I’d got one more in me and the idea came whilst driving home. It was one of those stop-the-car moments. I just realized that, if you gave Mona another ‘o’ it would be ‘Moona’ and this could be the reason for the famous smile. She was in fact deciding to stand up and reveal her derrier to the world.’ Nick Walker