English: Glykon snake is unique sculpture in the world and was carved from a single block of marble. It is the most important piece of the Museum of National History and Archaeology from Constanta – Romania. Was discovered on 1 April 1962 with also a statue symbolizing a woman, and a plaque inscribed SSS = 666. It can be understood as the carbon 12 isotope - contains 6 electrons, 6 protons, 6 neutron. Carbon 12 is the physical body of man in connection with the physical universe.