Introduction to Yu Liuliang Coin Museum: Yu Liuliang, a native of Wuzhen, is a master coin collector. He is the author of "Spending Money in China", "Chinese Appreciation and Collection", "Coins", "Coin Talk", "Numismatics" He has published more than ten academic monographs such as "Steel Essentials" and "World Circulation Coins". He has painstakingly collected them for 40 years and has nearly 26,000 kinds of coins from more than 230 countries and regions in the world. The number, scope and variety are second to none in the country. The items on display in batches in the Numismatic Museum are all masterpieces collected by Mr. Yu over decades.