 Complete the following phrase:  The notes accompanying the State Librarys acquisition of its punchbowl indicate that on 25February 1926, William Bowyer Honey, Keeper, Department of Ceramics, Victoria  Albert Museum, had appraised this particular punchbowl. Honey concluded that the bowl was made in China during Emperor Chia Chings reign in 17961820. In 1757, foreign trade had been restricted to Canton. Chinese exports, consisting largely of tea, porcelain and silk, had to be paid for in silver. The European and soon the American presence was restricted to the Thirteen Factories known as hongs on the harbour of Canton now known as Guangzhou. The Canton hongs themselves are frequently illustrated on punchbowls, known as hong bowls, whereas the portrayal of ports that traded with Canton  such as Sydney and New York  are extraordinarily rare. The Canton System lasted until the defeat of Chinas Qing dynasty by the British Empire in the 