General Overviews. Although a great deal of research on the psychology of self will be surveyed throughout this bibliographic guide, presenting an exhaustive review of the available work is beyond the scope of the current article.
Outside of that, the Mona Lisa was deemed to be worth $100 million US dollars in December of 1962. Based upon this number, the Guinness Book of World Records has named the Mona Lisa as having the highest insurance value of all paintings in the world.
The gem is valued at at least $100m and the current owner estimates that it could sell for up to $175m at auction. Sri Lanka's gem industry, for which sapphire is the main export, is worth at least Â£70m ($103m) annually. Blue star sapphires are so named because of the distinctive mark found at their centre.