Nathaniel Rackowe's work, SP21, has been selected as a finalist in the ArtStack x Christie's initiative where eight new artworks will be auctioned off and 25% of the proceeds will go to the Whitechapel Gallery. The auction takes place at Christie's, 85 Old Brompton Road, London SW7 3LD, on Thursday 26 March 2015. See www.christies.com.