This is an image from the Yale University Art Gallery collections. According to the Yale University Art Gallery site, the depicted work is believed to be the public domain, and the gallery's online photographs of such works are considered "open access materials", which "anyone may use … without further application, authorization, or fees due to the Gallery or to Yale." They specify "Photo credit: Yale University Art Gallery"; this credit is clearly required on any photograph of a three-dimensional object (such as a sculpture or a framed picture).
The depicted object is:
Public domainPublic domainfalsefalse
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).