What medium is "A Woman Seated beside a Vase of Flowers (Madame Paul Valpinçon?)"?

A Woman Seated beside a Vase of Flowers (Madame Paul Valpinçon?) is Oil on canvas .

Is "A Woman Seated beside a Vase of Flowers (Madame Paul Valpinçon?)" in the public domain?

Yes, A Woman Seated beside a Vase of Flowers (Madame Paul Valpinçon?) is in the public domain and available for free download under CC0 license.

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Edgar Degas, 1865