How much is the square foot of Wang Zhanyin's calligraphy?

Spending money is not worth it. Forget 20 yuan, if you like. Personally, I feel that the highest realm of China calligraphers has always been to please others, not to exchange rice for hearts. It's true that artists want to survive, but they shouldn't set themselves a price beyond the actual level ~ ~ Jianghu people who may pay by "calligraphy" will scold me for not being authentic ~ ~ ~ I have feelings, but I will forgive you ~ ~ ~