The collection is a gold cake of the han dynasty, weighing 240 grams. In the han dynasty, the cake is shaped like a round pancake, with a slightly raised face, and the irregular cavity formed by the casting, with the back of the hollow, and the surface of the surface with ice cracks. At the time, the golden cake was not used for circulation, but was used for storage, reward, gift, tribute, and redemption. The gold coin of western han dynasty is round cake shape, the name divides persimmon son gold, Lin toe gold, horseshoe gold and so on. A golden cake is a weighing currency. The golden cake also has functions as a large payment and wealth storage. This is a western hanjin cake. Very rare. Historical value, collection value is extremely high