According to Baidu's experience, the phrase "excellent works of art are priceless occasionally" means that excellent works of art are rare and their value is immeasurable. This sentence emphasizes the uniqueness and preciousness of works of art, suggesting that works of art are not only a kind of cultural inheritance and expression, but also a kind of property with economic value.
Artistic works refer to articles or works with aesthetic value and artistic significance produced by artists in the process of creation, which can be in various forms such as painting, sculpture, photography, architecture, music, drama and literature.