What medium is "Ostrakon with a Letter from Christodorus (?) to Psan"?

Ostrakon with a Letter from Christodorus (?) to Psan is Pottery fragment with ink inscription.

Is "Ostrakon with a Letter from Christodorus (?) to Psan" in the public domain?

Yes, Ostrakon with a Letter from Christodorus (?) to Psan is in the public domain and available for free download under CC0 license.

Unknown Artist

600

Medium

Pottery fragment with ink inscription

Dimensions

3 3/8 x 2 3/4 in. (8.5 x 7 cm)

Classification

Ceramics

Culture

Coptic

Department

Medieval Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Rogers Fund, 1914

Accession Number

14.1.141