Are copper coins collectible?

Copper coins in Qing Dynasty have certain collection value. Don't ignore that some coins are cheap in the middle and late period, and it is not easy to collect a whole set. This series is aimed at a set of. At this time, the collection value is not based on the price of each set in 5 yuan or 50 yuan, but on the value of each set of 1000 yuan or 10000 yuan. The appreciation rate of the whole set of products will also increase accordingly.