Qian Long Tong Bao was a currency in the period of the Qian Long period. During the 60 years of emperor Qian Long's reign, he applied his "ruling martial arts" strategy and created the last glorious age in the feudal society. After that, the folk had been handed down with the "Qian Long Tong Bao" copper money to exorcise and ward off evil spirits, and the later generations of the Tibetan family because of Qian Long's two word homonym "Qian Long" Favorite coins, therefore, have a very high collection value.