乾隆通宝铸于清高宗乾隆年间(1736-1795年)，背面的满文比较复杂，可以参考华光普的《中国古钱币目录》，上面有很详细的价格和钱币拓片。历史年代为，清高宗乾隆年间(1736～1795年)。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，但应为开炉或后铸花钱，非行用品。

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。

乾隆通宝钱径约2.3厘米，厚0.1厘米，重约2.7克。钱面文字“乾隆通宝”以楷书书写，其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。乾隆通宝连宝泉、宝源在内先后有29局开铸，多用黄铜与青铜，也引进国外洋铜浇制法。新疆地区新用方孔圆钱，开设伊犁、阿克苏、乌什、叶尔羌、喀什葛尔、库车等局，因用自产红铜鼓铸、故称为“新疆红钱”或“普尔钱”(“普尔”维语即钱的意思)。乾隆通宝只少数钱背文看见星号或汉字。乾隆通宝还有合面钱、吉语钱以及私铸劣质钱、鹅眼钱等，品类不下百种，存于世上的有雕母数种，至为珍贵。

Qianlong Tongbao was cast in Emperor Gaozong of the Qing Dynasty (1736-1795). The Manchu script on the back is more complicated. You can refer to Hua Guangpu's "Catalog of Ancient Chinese Coins", which has detailed prices and coin rubbings. The historical period is during the reign of Emperor Gaozong of Qing Dynasty and Qianlong (1736～1795). Most of them are Xiaoping coins, and some of the Xinjiang red coins are ten coins. Baoquan and Baogong found that they have big money, but they should be spent in the furnace or after casting.

Qianlong Tongbao, the characters are read directly from top to bottom and right to left. The characters on the back of the money are along the Yongzheng Manchu style perforation with the word "bao" on the left, and the names of the bureaus are cast on the right of the perforation. "Qianlong Tongbao" has many layouts. For money and writing, the Beijing Bureau mostly uses Song style, the Baozhe Bureau mostly uses regular script, and the Baoshan and Baochuan bureaus use official script, but most local money bureaus use Song type. Recite Uyghur and Manchu scripts. A few coins have stars, Chinese characters on their backs, and they also have years, value, auspicious words, etc.. There are 22 casting bureaus common in Qianlong, and Xinjiang red coins have six casting bureaus. .

Qianlong Tongbao coins have a diameter of 2.2-2.5 cm, a thickness of 0.1 cm, and a weight of 2.4-4.8 grams. The money-faced characters "Qianlong Tongbao" are written in regular script, and the characters are read directly from top to bottom and right to left. The characters on the back of the money are along the Yongzheng Manchu style perforation with the word "bao" on the left and the names of the bureaus on the right. Qianlong Tongbao had 29 rounds of casting including Baoquan and Baoyuan, mostly using brass and bronze, and also introduced foreign copper casting methods. Newly used square holes and round coins in Xinjiang, opened Yili, Aksu, Wushi, Yerqiang, Kashgar, Kuqa and other bureaus, which are called "Xinjiang Red Money" or "Purqian" because they are cast with self-produced red copper drums. "("Pur" means money in Uighur). Qianlong Tongbao only saw asterisks or Chinese characters on the back of a few coins. Qianlong Tongbao also has mixed face money, auspicious money, privately cast low-quality money, goose eye money, etc. There are no less than a hundred types. There are several kinds of carved mothers in the world, which are most precious.