Generally speaking, according to the market price of walnuts in Wan Wen, walnuts sold for 10 years can be sold for thousands of dollars if the quality is good and the variety is good. If the quality is poor, there are dry lines and fine lines, the price is not very high.
The practical value of Wan Wen walnut is not particularly high. Be sure to keep your eyes open when buying and selling. Don't be greedy and try to sell illegally.