When was "Openwork Plaque" created?

This artwork was created 7th–8th century (?).

What medium is "Openwork Plaque"?

Openwork Plaque is Copper alloy (leaded bronze), "tinned" surface.

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

Unknown Artist

7th–8th century (?)

Medium

Copper alloy (leaded bronze), "tinned" surface

Dimensions

Overall: 2 7/8 x 2 3/16 x 1/16 in. (7.3 x 5.5 x 0.2 cm)

Classification

Metalwork-Copper alloy

Culture

Frankish

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of J. Pierpont Morgan, 1917

Accession Number

17.192.154