How much is a 20-cent misprinted bill worth?

Overall price of the second set of 20-horn train: 2,500 yuan.

The third set is RMB 20. The market price of Wuhan Yangtze River Bridge is 20 yuan (two Rome)/piece.

The third set is RMB 20. The market price of Wuhan Yangtze River Bridge is 25 yuan (three Rome)/piece.

The market price of the third set of Wuhan Yangtze River Bridge relief is RMB 20 150 yuan/(three Rome).

The fourth set of RMB 80 edition Joule Buyi and Korean headshots, the market price of the whole product is 3 yuan/piece.

As a big country, how important is currency, and how can there be typos? In fact, the word "er" is written on the top of Yi, which is also a common idiom in the past. In the first set of banknotes, the second set of banknotes and the third set of banknotes, the Chinese character "Er" is written like this. The word "two" was mistaken for the wrong coin, but it was rushed to report it, which became a joke in the collection circle. In fact, this is a wrong view that people don't know how to collect knowledge.