Sierra Leone - 2018 Reflecting Telescope - 4 Stamp Sheet - SRL181116a

Country: Sierra Leone, Year of Issue: 2018, Type: 4 Stamp Sheet, Topic: Reflecting Telescope, First, Science, Space, Portrait, 350th Anniversary, Isaac Newton, English, Mathematician, Physicist, Astronomer, Work Table, Woolsthorpe Manor, Dispersive Prism, Spectrum, Colors, James Thornhill, Artist, Portrait of Sir Issac Newton, Painting, Godfrey Kneller, Statue, Louis-Francois Roubilia, Trinity College Chapel, Cambridge, England