File:Sample AAT term.jpg

Summary
Author: Screen capture created by me for illustrative purposes Source: Getty Art and Architecture Thesaurus Online URL: http://www.getty.edu/vow/AATFullDisplay?find=cornermarks&logic=AND&note=&english=N&prev_page=1&subjectid=300310175 Rationale: The AAT is freely available to anyone without subscription or fee. Replacing outdated image (drummers) that was a poor example of the topic.

Fair use rationale
As used in Art & Architecture Thesaurus, the image meets all 10 of Wikipedia's requirements for such images, particularly items 1, 2 and 8. The actual Art & Architecture Thesaurus is freely available to anyone without subscription or fee.