This is a beautiful sheet of 6 stamps, issued by Guinea-Bissau in 2009, honoring defenders of peace. Featured personalities include anti-apartheid activist in Steve Biko, Nobel Peace Prize-winning former President of South Africa Nelson Mandela, former President of the African National Congress Albert Lutuli, South African cleric & anti-apartheid activist Desmond Tutu, Ghanian diplomat & former Secretary-General of the United Nations Kofi Annan (shown here with Pope John Paul II), and environmental & political activist Wangari Maathai. The sheet is Post Office fresh, mint never hinged, and F/VF. Click here to visit my eBay Store for other auctions and Direct Sale items: