Is this stamp collectible? What is the market price?

This is a promotional personalized stamp with the personalized stamp of "Sun God Bird" printed on the auxiliary ticket. Private individuals, not regular stamps. The price of stamp collectors is extremely low, generally not exceeding the face value. "Cheng Yuande" may be a figure painter, and the paintings and calligraphy on the ticket may be his works. In order to promote themselves, this personalized stamp was issued; Maybe he is a calligraphy and painting enthusiast and printed some calligraphy and painting on the ticket. However, the personalized stamps printed in this way are quite interesting. Some people may like them and the price will exceed the face value.