This is a beautiful Souvenir Sheet, issued in 2012, marking the 75th anniversary of the bombing of the town of Guernica during the Spanish Civil War. The sheet and stamps feature images of German warplanes (the Junkers Ju 52 and the Heinkel He 111) and the aerial attack on the Basque town. The sheet and stamp also feature details from Pablo Picasso's 1937 painting "Guernica," which depicts the tragedies and suffering of the war. The sheet is Scott catalog #2578, and is Post Office fresh, mint never hinged, and F/VF.