File:Drinking from the Cup -2 by Martin Blank.jpgum of Art.jpg

Summary
Drinking from the Cup #2, by Martin Blank, blown and copper gilded glass sculpture, 2001, Honolulu Museum of Art

source = Own work

Fair use in Martin Blank (artist)
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, becaue:
 * 1) It illustrates a historically significant work that could not be conveyed in words.
 * 2) Its inclusion is for information, education, and analysis only.
 * 3) Its inclusion in the article adds significantly to the article because it shows a major type of work produced by the artist.
 * 4) It is a low resolution image, and thus not suitable for production of counterfeit art.
 * 5) It is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.