This is a beautiful stamp souvenir sheet, issued by Guinea-Bissau in 2010, commemorating the 30th anniversary of the Polish Solidarity Movement. Featured on the sheet are Pope John Paul II and Nobel Peace Prize-winning President of Poland & co-founder of the Solidarity trade union Lech Walesa. The sheet is Michel catalog #4879 / Bl.817, and is Post Office fresh, mint never hinged, and F/VF.