What is the value of calligraphy in the form of signature giving away?

Worth it. According to official website, an inquiry calligraphy association can collect paintings and calligraphy works with the above paragraphs (names of recipients), which will not only affect the value of paintings and calligraphy works, but will bring many potential values to the works. Because the calligraphy and painting works in the preceding paragraph better prove the context of the works and provide more reliable proof for the authenticity of the works. At the same time, if the donee himself is a celebrity or an artist. This will also increase the collection value of the works invisibly.