Fiennes notes that the art world remains traditional and reliant on little black books and personal connections. Traditional paper certificates of authenticity are still widely used, and sector-wide ...

The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...

the group responded that the certificate of authenticity was invalid. Adding to this, Beltracchi himself admitted to The Yomiuri Shimbun that he painted the artwork. An investigator in charge of ...