Who created "Giangaleazzo Visconti, First Duke of Milan [obverse]"?

Giangaleazzo Visconti, First Duke of Milan [obverse] was created by Italian 18th/19th Century in probably late 18th or early 19th century.

What medium is "Giangaleazzo Visconti, First Duke of Milan [obverse]"?

Giangaleazzo Visconti, First Duke of Milan [obverse] is nielloed silver with traces of gilding.

Yes, Giangaleazzo Visconti, First Duke of Milan [obverse] is in the public domain and available for free download under CC0 license.

This artwork was created probably late 18th or early 19th century.

probably late 18th or early 19th century

Medium

nielloed silver with traces of gilding

Dimensions

oval: 4.1 × 2.9 cm (1 5/8 × 1 1/8 in.)

Classification

Sculpture

Department

CSD

Museum

National Gallery of Art, Washington, D.C.

Credit

Samuel H. Kress Collection

Accession Number

1961.9.171.a