Breaking: "Bookfind of the century" sells for $2.23 million
In 2007 a Canadian doctor paid $14,250 for a well-used second edition of "De humani corporis fabrica" (1555) covered in latin annotations by an unknown hand. The handwriting turned out to be that of the man who wrote the book - Andreas Vesalius - one of history's most important scientists and teachers.
Source: newatlas.com