Is "Relief fragment: cavalryman leading his horse beside a stream" in the public domain?

Yes, Relief fragment: cavalryman leading his horse beside a stream is in the public domain and available for free download under CC0 license.

Relief fragment: cavalryman leading his horse beside a stream

This artwork was created ca. 704–681 BCE.

Unknown Artist

ca. 704–681 BCE

Medium

Gypsum alabaster

Dimensions

24 7/16 × 22 7/16 × 1 3/4 in. (62 × 57 × 4.5 cm)

Classification

Stone-Reliefs

Culture & Period

Assyrian · Neo-Assyrian

Department

Ancient Near Eastern Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of John D. Rockefeller Jr., 1932

Accession Number

32.143.18