What medium is "Venus, frontal view, from "Oeuvre de Canova: Recueil de Statues...""?

Venus, frontal view, from "Oeuvre de Canova: Recueil de Statues..." is Engraving and etching.

Is "Venus, frontal view, from "Oeuvre de Canova: Recueil de Statues..."" in the public domain?

Yes, Venus, frontal view, from "Oeuvre de Canova: Recueil de Statues..." is in the public domain and available for free download under CC0 license.

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Antonio Canova|Giovanni Tognolli|Domenico Marchetti, 1817