How much can a calligraphy work by Geng Bin be worth?

Which one is this? Obviously, you sent two pictures! The first one belongs to the founding general Sun Bin. Because he is a celebrity, he has certain commemorative value rather than artistic value. It is not necessarily good to sell similar works online (fidelity) for around 3000! The second painting is the work of calligrapher Liu Bingsen. Judging from the picture, the size is about three or four square feet. Inscriptions such as "Great Exhibition" are very conventional, the layout of the works is a bit tight, and the pen and ink are too sweet (if it is an original, it can only be defined as a commercial entertainment work! ), as a calligraphy art lover, 10 thousand may be a bit too expensive, as a rich boss who wants to be famous, 500 thousand may buy it