乾隆通宝铸于清高宗乾隆年间（1736年-1795年），背面的满文比较复杂，历史年代为清高宗乾隆年间。绝大部分为小平钱，新疆红钱有部分当十钱，宝泉、宝巩发现有大钱。乾隆通宝：字从上而下而右而左直读，钱背文字沿雍正满文钱式穿孔左边有"宝"字，穿孔右边铸有各局名。乾隆通宝”版式很多，钱文方面京局的多用宋体，宝浙局多用楷书，宝陕、宝川两局用隶书，但大多数地方钱局用宋体。新疆红钱部分局背满文，其他则背维文和满文。少数钱背有星、汉字，又有记年，记值，合背，吉语等钱。乾隆常见的共有二十二个铸局，新疆红钱有六个铸局。

此枚钱币是一枚铜质钱币，钱币是内方外圆形。钱币的外圆直径是5.5厘米，厚度0.3厘米，重量为70.2克。在钱币的正面刻有“乾隆通宝”四个楷书字，钱币的背面有满文“宝泉”两个字。 相关背景资料：雕母又叫母钱，经审核通过后，作为铸造母钱之用。我国自宋以来就采用翻砂法铸钱，每当出新钱，就用铜块或锡、铅块直接雕刻成钱模也就是雕母或母钱，铸钱时用祖钱作模，翻铸母钱。雕母钱文精美，字口深峻，每个字的笔画都非常清晰，绝无粘连模糊，而且笔画比同版本的流通钱要细瘦，从细部看还保有手工镂刻的痕迹，具有极高的历史价值和收藏价值。

Qianlong Tongbao was cast during the reign of Emperor Qianlong of the Qing Dynasty (1736-1795). The Manchu text on the back is more complex, with the reign of Emperor Qianlong of the Qing Dynasty. The vast majority is small money, Xinjiang red money has part when ten money, Baoquan, Bao Gong found a lot of money. Qianlong Tongbao: The word from top to bottom to right and left straight read, the money back text along the left "treasure", the right to cast the name of the bureau. Qianlong Tongbao " has many formats. In terms of Song style, Bao and Zhejiang bureaus, Bao, Shaanxi and Wuchuan bureaus use official script, but most local money bureaus use Song style. Xinjiang red money part of the bureau full, others back text and Manchu. A few money carries stars, Chinese characters, and remember years, value, back, auspicious language and other money. Qianlong common a total of 22 cast bureaus, Xinjiang red money has six cast bureaus.

This coin is a copper coin, the inside and outer circle. The outer circle of the coin is 5.5 cm in diameter, 0.3 cm thick and 70.2 grams. On the front of the coin engraved with four "Qianlong Tongbao" regular script characters, the back of the coin has a full text "Baoquan" two words. Relevant background information: carved mother is also called mother money, after approved, as the casting of mother money. Since the Song Dynasty, China has used the sand turning method to cast money. Whenever the new money is made, it uses copper blocks or tin or leaand the stroke is thinner than the same version of the circulation money, from the details also protect the traces of manual carving, has a high historical value and collection value.