中国古钱币之一， 有小平钱和当十大钱两种，其中大宋通宝当十钱位列古泉五十名珍之列，为宋钱中之大名誉，美品 。
One of the ancient coins in China, there are two kinds: xiaoping money and ten big coins. Among them, the ten big coins in the Song Dynasty ranked among the fifty treasures in the ancient quan, which is the great reputation and beauty of the Song Dynasty money.
大宋通宝当十大钱为南宋理宗宝庆元年（1225）七月后所铸。当时行“大宋元宝”钱，而“大宋通宝”只有铁质小平钱。铜质者仅见背“当拾”大钱一种。制作精整，传世绝少。“当拾”大钱径一寸六分（5.2厘米），重30至35克不等。钱文楷书直读，书法秀丽，拾字从入，是其特征。据云出自宋代大书法家蔡京手笔。按钱文字形又分为瘦书小字及笔划粗壮的大字两种，其中以瘦书者为佳。当拾大钱铸于西川地区，与嘉定折十同监。铸量究竟有多少，则无从查考。流传至今已成为世上罕见的钱币珍品。
Ten big coins were cast in the Southern Song Dynasty (1225) after the reign of Zongbao in Qingyuan. At that time, the line "Da Song Yuanbao" money, and "Da Song Tong Bao" only iron Xiaoping money. Copper only see "when picked up" a big money. Finely made, rarely handed down. It measures an inch and six minutes (5.2 centimeters) in diameter and weighs between 30 and 35 grams. Qian Wen regular script straight reading, beautiful calligraphy, pick up the word from the into, is its characteristics. It is said that it was written by Cai Jing, a great calligrapher in the Song Dynasty. According to the money text shape is divided into thin book small characters and bold strokes of the two kinds of big characters, which is the best to thin books. When picked up the big money cast in the Xichuan area, and jia ding fold ten with the prison. There is no way of knowing how much was cast. Sold so far has become the world's rare coin treasures.
大宋通宝（当拾）：南宋大钱 大宋通宝当拾 历代钱币五十名珍，历来就是钱币收藏者倍受推崇的至上珍品，其收藏价值、欣赏价值及研究价值是无可限量的，也是极其重要的。大宋通宝背当十大钱乃宫中御用钱币，经专家组老师鉴定，包浆自然，品相极佳，钱币虽经历了无穷岁月，但纹路依然清晰可见，见证了其历史的积淀，字体秀丽符合大家风格。该钱币铜质精美，世存量极为罕见，具有非常高的艺术投资空间及收藏价值！
Da Song Tong Bao (when picked up) : Southern Song Dynasty big money Da Song Tong Bao when picked up the 50 coins of the past dynasties, has always been the highest treasure of coin collectors highly respected, its collection value, appreciation value and research value is unlimited, is also extremely important. Da Song Tongbao back when ten big money is the imperial silver coin in the palace, the expert group teacher identification, natural slurry, excellent appearance, although the coin has experienced endless years, but the grain is still clear, witnessed the accumulation of its history, beautiful font in line with everyone's style. The coin silver is exquisite, the world stock is very rare, has a very high art investment space and collection value!