Nelson Mandela’s prison door drawing to go under the hammer

One of late former president Nelson Mandela’s artworks, which depicts his cell door on Robben Island, has been offered for auction by his daughter Makaziwe Mandela, auctioneers Bonhams announced on Friday.
Bonhams said that when Mandela retired as president in June 1999, what was less well known was that following his retirement, he began a new career as a talented artist.