We’ll soon find out just how big of a price tag you can put on US history. This November, Sotheby’s will auction off a first-edition printing of the US Constitution as part of a sale of historic documents belonging to Dorothy Tapper Goldman, reports CNN. One of only 11 copies still in existence, the document could fetch as much as $20 million. Drafted during secret meetings in Philadelphia in 1787, the Constitution of the United States’s seven articles outline the framework of American democracy. This particular copy is one of 500 unsigned “official editions” based on the document’s final text, each of which were ... (full story)