This September Apollo previews the Biennale des Antiquaires and features articles on US university art collections, unpublished Carracci drawings, the salerooms of Belle Epoque Paris and the legacy of Parisian dealer Paul Durand-Ruel. Plus, Martin Gayford meets Jenny Saville and photographer Stephen Shore talks to Apollo ahead of his retrospective at Fundación Mapfre, Madrid
What happens when an artist wants to be anonymous?
An Austrian museum is hosting a show by an unnamed artist – but perhaps this act of secrecy will help us see the work more clearly