What medium is "The Church of the Trinità dei Monti and the Villa Medici, Rome"?

The Church of the Trinità dei Monti and the Villa Medici, Rome is Brush and brown wash over graphite underdrawing.

Is "The Church of the Trinità dei Monti and the Villa Medici, Rome" in the public domain?

Yes, The Church of the Trinità dei Monti and the Villa Medici, Rome is in the public domain and available for free download under CC0 license.

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This artwork was created ca. 1808.

François Marius Granet, ca. 1808