Provenance covers an object's complete documented history. An artifact may thus have both a provenience and a provenance. The provenance of works of fine art, antiques and antiquities is of great importance, especially to their owner. There are a number of reasons why painting provenance is important, which mostly also apply to other types of fine art. A good provenance increases the value of a painting, and establishing provenance may help confirm the date, artist and, especially for portraits, the subject of a painting. It may confirm whether a painting is genuinely of the period it seems to date from. The
Artwork damaged or destroyed in the September 11 attacks Artwork damaged or destroyed in the September 11 attacks An estimated $110 million of art was lost in the September 11 attacks: $100 million in private art and $10 million in public art. The attacks were said to be "the biggest single disaster ever to affect the [art] industry". The Port Authority held an estimated 100 pieces of art work at the World Trade Center Complex, in addition to the seven public works of art that had been created for the World Trade Center, all of which were destroyed or severely damaged. An estimated $10 million worth of public art