Details from a visit to the National Gallery last week - was great to be back.
Top to bottom:
Detail from Equestrian portrait of Charles I, 1637-8, Anthony van Dyke
Detail from Lord Stuart and his brother, Lord Bernard Stuart, c.1638, Anthony van Dyke
Detail from Still Life with Drinking-Horn, c.1653, Willem Kalf
Detail from Still Life with Lemons in a Wicker Basket, 1643-9, Juan de Zurbarán