When was "Hippopotamus amulet" created?

This artwork was created ca. 4500–4000 B.C. (?).

What medium is "Hippopotamus amulet"?

Hippopotamus amulet is Limestone.

Yes, Hippopotamus amulet is in the public domain and available for free download under CC0 license.

Unknown Artist

ca. 4500–4000 B.C. (?)

Medium

Limestone

Dimensions

L: 7.6 x H: 5.1 x W: 2.7 cm (3 x 2 x 1 1/16 in.)

Classification

Amulet, hippopotamus

Period

Predynastic Period

Department

Egyptian Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Rogers Fund, 1907

Accession Number

07.228.62