Copper ingot in Qing Dynasty is a kind of cultural relic with historical and cultural value, which is well-made, beautifully designed and legible, and is one of the important representatives of monetary culture in Qing Dynasty. Among them, the bottom engraved pure gold refers to the words "pure gold" engraved on the surface of copper ingots, which was circulated as currency in Qing Dynasty, with standardized production, stable color and high credibility.
Because of the rarity and historical value of gold engraved on the bottom of copper ingots in Qing Dynasty, it has been sought after in the field of collection and investment. If well preserved, the price will be higher.
The above information is for reference only, and the specific price will be affected by many factors such as copper ingot appearance, preservation status and market demand. If you have any specific questions about the bottom engraving of copper ingots in Qing Dynasty, I suggest you consult a professional collector or relevant institutions.