When was "Ostrakon from the Brethren (?) to John" created?

This artwork was created 580–640.

What medium is "Ostrakon from the Brethren (?) to John"?

Ostrakon from the Brethren (?) to John is Pottery fragment with ink inscription.

Yes, Ostrakon from the Brethren (?) to John is in the public domain and available for free download under CC0 license.

Ctrl K

Unknown Artist

580–640

Medium

Pottery fragment with ink inscription

Dimensions

4 7/16 × 3 3/8 × 1/2 in. (11.2 × 8.5 × 1.2 cm)

Classification

Ceramics

Culture

Coptic

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Rogers Fund, 1914

Accession Number

14.1.52