1, horseshoe gold, the Western Han Dynasty weighing currency, the front is oval, the bottom is round, concave, hollow, like a horseshoe. By Emperor Wu of Han Dynasty Tai Shi two years (95 BC) Hip Xiangrui and the system.

2, horseshoe gold generally weighs about 250 grams, equivalent to one catty in the Han Dynasty, which is now half a catty.

3, functional use. Horseshoe gold is generally used as imperial rewards, gifts, bride price, as well as large transactions and extraterritorial exchanges, and is not circulation currency. In the specific use of the process still need to weigh, so it is also a weighing currency.