When was "Glass Fragment" created?

This artwork was created 15th century (?).

What medium is "Glass Fragment"?

Glass Fragment is Colorless glass, silver stain.

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

Unknown Artist

15th century (?)

Medium

Colorless glass, silver stain

Dimensions

1 9/16 × 7 5/16 × 1/16 in. (4 × 18.5 × 0.2 cm)

Classification

Glass-Stained

Culture

European

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of George D. Pratt, 1930

Accession Number

30.73.238