When was "Chimera (Bixie) (a); magnifying glass (b)" created?

This artwork was created 1st century (a); 20th century (b).

What medium is "Chimera (Bixie) (a); magnifying glass (b)"?

Chimera (Bixie) (a); magnifying glass (b) is Gold (a); glass, tortoise shell case (b).

Yes, Chimera (Bixie) (a); magnifying glass (b) is in the public domain and available for free download under CC0 license.

Unknown Artist

1st century (a); 20th century (b)

Medium

Gold (a); glass, tortoise shell case (b)

Dimensions

Chimera (a): H. 3/8 in. (1 cm); L. 9/16 in. (1.5 cm) Magnifying glass (b): Diam. 1 7/8 in. (4.8 cm); H. (open) 3 9/16 in. (9 cm)

Classification

Sculpture

Culture & Period

China · Han dynasty (206 B.C.–A.D. 220)

Department

Asian Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Bequest of Mary Stillman Harkness, 1950

Accession Number

50.145.327a, b