This is a beautiful sheet of 6 stamps, issued by Guinea in 2008, displaying total solar eclipses. Also featured on the stamps are British chemist & physicist Ernest Rutherford with his planetary model, British astronomer & discoverer of the planet Uranus William Herschel, Italian physicist Sergio Ferrara with the Large Hadron Collider particle accelerator, the Solar and Heliospheric Observatory (SOHO) spacecraft, and the Ulysses robotic space probe. The sheet is Michel catalog #5733-8, and is Post Office fresh, mint never hinged, and F/VF.