The silver coin, with a diameter of 40 mm, contains 30 grams of silver and has a denomination of 10 yuan. [Photo/chngc.net]

The obverse and reverse sides of the silver coin with a face value of 10 yuan. [Photo/chngc.net]

The other silver coin, with a diameter of 40 mm, contains 30 grams of silver and has a denomination of 10 yuan. Its reverse side presents the general view of the ancient city and its waterway entrances, as well as the precious jade trident discovered at the site.

China so far has issued eight sets of commemorative coins highlighting its World Heritage sites, including Mount Huangshan, Ancient Building Complex in the Wudang Mountains, West Lake Cultural Landscape of Hangzhou, Dazu Rock Carvings and Ancient City of Ping Yao.