In this 2014 photo released by Damien Hirst and Science Ltd., British artist Damien Hirst's latest piece entitled "Gone but Not Forgotten", which features the gilded skeleton of a woolly mammoth in a steel and glass vitrine, is displayed. Famed British artist Damien Hirst has created a gilded woolly mammoth skeleton encased in a gold tank to be auctioned off at the annual amfAR Cinema Against AIDS gala in Cap d'Antibes, southern France, on Thursday, May 22, 2014. (AP Photo/Prudence Cuming Associates via Damien Hirst)