Twelve auctions in 7 categories, such as contemporary Chinese ink and works on paper, Chinese and western wine, watches, jade and so on, will be held in Grand Hyatt Hong Kong from Oct. 5 to 6, including more than 2000 items with an estimated value of 700 million Hong Kong dollars (about 90.3 million USD). A visitor looks at a painting during a preview of Poly Auction Hong Kong's 2015 fall auctions. [Photo/Xinhua]

An expert introduces the paintings of Xu Beihong and Fubaoshi. [Photo/Xinhua]

Visitors watch the items during the preview of the fall auctions. [Photo/Xinhua]

Visitors watch the Hermes bags. [Photo/Xinhua]

A visitor looks at a painting created by Chang Yu. [Photo/Xinhua]

An expert introduces the wine. [Photo/Xinhua]

Visitors come to the preview of the fall auctions. [Photo/Xinhua]

An expert introduces the paintings during the preview of the fall auctions. [Photo/Xinhua]

A jade artwork with an estimated value of 12 to 18 million Hong Kong dollars (1.5 million USD to $2.3 million USD)is seen at the preview of the fall auctions. [Photo/Xinhua]