A LOANGO IVORY TUSK, spirally carved in relief with a band of animals and native and European figures at various activities, light golden patina

Recommended features

• • 

  • ‘We live in a time of heightened feelings and political debate. That’s no bad thing’

    As the National Portrait Gallery prepares to close for a three-year refurbishment, Robert McCrum talks to its director, Nicholas Cullinan

• • 

  • The greatest work of the English language

    An incredibly rare complete copy of Shakespeare’s ‘First Folio’ is to be offered in New York in April