This is a rare 10 cents copper coin from the Qing Dynasty's Xianfeng period, with the inscription 咸丰重宝 on one side and 宝泉当十 on the other. It has a unique yellowish luster and some minor scratches on the edges, but it has not yet been formally graded by a certification authority. The coin is a valuable collectible for numismatists interested in Chinese history and culture, and it can be a great addition to any coin collection.