Christie’s Post-War and Contemporary Art sale, London, UK – 20 Jun 2019 Published on February 21, 2020 in Want to Invest in a Banksy Painting? Masterworks Makes It EasyFull resolution (1259 × 648) ← Previous Next → Banksy’s Mona Lisa, 2000, in front of Kara Walker’s Four Idioms on Negro Art #4, 2015. Photo by Guy Bell / Shutterstock