What medium is "Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse]"?

Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse] is silver grosso//Struck.

Is "Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse]" in the public domain?

Yes, Sixtus IV (Francesco della Rovere, 1414-1484), Pope 1471 [obverse] is in the public domain and available for free download under CC0 license.

This artwork was created 15th century.

15th century

Medium

silver grosso//Struck

Dimensions

overall (diameter): 2.55 cm (1 in.) gross weight: 3.59 gr (0.008 lb.) axis: 10:00

Classification

Sculpture

Department

CSD

Museum

National Gallery of Art, Washington, D.C.

Credit

Samuel H. Kress Collection

Accession Number

1957.14.1260.a