When was "Portrait of a young woman with a gilded wreath" created?

This artwork was created A.D. 120–140.

What medium is "Portrait of a young woman with a gilded wreath"?

Portrait of a young woman with a gilded wreath is Encaustic on wood with gold leaf.

Yes, Portrait of a young woman with a gilded wreath is in the public domain and available for free download under CC0 license.

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Unknown Artist, A.D. 120–140