Rongbaozhai, a 300-year old art dealer nicknamed the "private Forbidden City", presents a collection of precious artworks Tuesday at a preview exhibition of its first auction in Shanghai. The auction, scheduled on November 21-25, will feature more than 1,000 items that are expected to fetch one billion yuan. Most artworks are modern ones, but some traditional paintings and calligraphy of Tang, Song, Yuan and Ming dynasties are also included. [CNS Photo/Jiang Yu]