When was "Falcon-headed crocodile, possibly Soknopaios" created?

This artwork was created 1st century BC–1st century AD.

What medium is "Falcon-headed crocodile, possibly Soknopaios"?

Falcon-headed crocodile, possibly Soknopaios is Stone or porphyry (?); base of glass.

Yes, Falcon-headed crocodile, possibly Soknopaios is in the public domain and available for free download under CC0 license.

Unknown Artist

1st century BC–1st century AD

Medium

Stone or porphyry (?); base of glass

Dimensions

L. 5 × W. 1.5 × H. 2.1 cm (1 15/16 × 9/16 × 13/16 in.)

Classification

Amulet, falcon-headed crocodile

Period

Ptolemaic Period–Roman Period

Department

Egyptian Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Theodore M. Davis Collection, Bequest of Theodore M. Davis, 1915

Accession Number

30.8.307