File:Enomoto mural building and construction.jpg

Summary
"Building and Construction", the third mural in Isami Enomoto's series of labor murals. source = Own work

Fair use in Isami Enomoto
Though this image is subject to copyright, its use is covered by the U.S. fair use laws, and the stricter requirements of Wikipedia's non-free content policies, because:

It illustrates a historically significant work that could not be conveyed in words. Its inclusion is for information, education, and analysis only. Its inclusion in the article adds significantly to the article because it shows a major type of work produced by the artist. It is a low-resolution image, and thus not suitable for production of counterfeit art. It is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.