Category:Arturo Martini

• The work was first published in the United States and one of the United States public domain tags applies;
• The work is permitted by a legal exception such as freedom of panorama or de minimis;
• The work was released by the author or their heirs via E-mail confirmed authorisation;
• The work is known to be in the public domain for some other clear reason.

For more information, see Commons:Licensing and Commons:Derivative works.