Among the star attractions at Bloomsbury Auction’s ‘Urban Contemporary’ sale, a 120-lot auction held on July 3 in Mayfair, London is ‘Moona Lisa’, a unique rendition in gold by Bristol-based artist Nick Walker.

From a UK private collection, the 3ft 3¼in x 2ft 3½in (1m x 70cm) piece is estimated at £6000-8000.

The sale will also include works by Banksy, Damien Hirst and recently departed American graffiti artist Stay High 149.

Contact 020 7495 9494.