DETAILS 286 came from the useful Self-Portrait in a Convex Mirror by Parmigianino (Francesco Mazzuoli, 1524), much-celebrated by Vasari and, more recently, by John Ashberry in his poem of the same title. The picture, which is itself convex, can be seen in the Kunsthistorisches Museum, Vienna.
The first three correct entries drawn were from: Andrew Holland of Rossendale, Lancashire, Pauline Roberts of Branston, Lincolnshire, and GE Malone of Dringhouses, North Yorkshire.
Each will receive a bottle of champagne, as will the winners of this week's competition. To enter, please send your answer on a postcard (to arrive by Wed 29 May) to: DETAILS 288, Independent on Sunday, 1 Canada Sq, London E14 5DL.Reuse content