How much can these two twos be worth if they are wrong?

The second horizontal line of the Chinese character "er" is at the top, but the second horizontal line of the Chinese character "er" in Xinhua Dictionary is inside. It is considered that the Chinese character "er" of these two characters is a typo and a wrong coin, which has become a joke in the collection field. In fact, this is a wrong view that we don't know how to collect knowledge. As a big country, how important is money, how can there be typos? The same is true of the Chinese character "er". 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 "er" is written correctly.

The third set of RMB two yuan is used to make solid five-star watermark, and the discount for the above products is 400-450 yuan/piece.