The enduring genius of the Peanuts comics
The tussle over Tutankhamun’s tomb
A Chinese dragon-handled cup in Baltimore
Around the world in early colour photographs
Plus: art and illness, plastic sushi, auction-house machinations and reviews of William Kentridge, Renaissance lace and the Empress Eugénie in England
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