Holbein Elizabeth Goldring (Paul Mellon Centre, £40) ACCORDING ...

A quest to find Horace Walpole’s missing Ottoman dagger unveiled a story of 16th-century diplomacy, Victorian theatre and a notorious heist

After early profligate years in Melton Mowbray, Leicestershire, Francis Grant traded sporting scenes for portraits and climbed the ladder to become president of the Royal Academy. A forthcoming exhibition at Dickinson does justice to his drawing

A cyanotype of a fern leaf by early photographer Anna Atkins soared above its estimate in Surrey and ‘the most striking likeness’ of Horatio Nelson is drawing every eye at the LAPADA Fair

Capturing the immediacy of fighting and the writhing bodies of soldiers, as well as keeping narrative clarity, proved enormously difficult for painters depicting battles before the advent of photography. Michael Hall reveals how they rose to the challenge

From rustic barns to Riviera villas, Pablo Picasso’s studios were engines of invention. Picasso: From the Studio at the National Gallery of Ireland, in partnership with Musée national Picasso-Paris, t