Why do precious jewelry, calligraphy and painting have to be auctioned?

Ensure authenticity and value. Auction institutions ensure the authenticity and value of auction items and protect the rights and interests of buyers and sellers through evaluation, appraisal and publicity. Auction institutions will use professional technical means and standards to ensure that the value of calligraphy and painting reported by valuable owners can be objectively and fairly evaluated. Precious jewelry, calligraphy and painting are high-end collections with high artistic and cultural value, and each work is unique.