How much is a pair of ordinary calligraphy and painting that rewards hard work?

What you said seems to be a work with banners four feet apart. If it is mounted by machine, it is about 30, and if it is mounted by hand, it is about 40. If it is 150 to 200, the price varies from place to place. This is the cost of installation. I want to buy calligraphy works that reward me with diligence. Calligraphers have different levels, and the price is at least 100 yuan. I can buy it for you if you want. I