Who created "Facsimile of Albrecht Dürer’s Third Knot"?

Facsimile of Albrecht Dürer’s Third Knot was created by Albrecht Dürer|Leonardo da Vinci|Ralf Leopold von Retberg-Wettbergen in 1865.

What medium is "Facsimile of Albrecht Dürer’s Third Knot"?

Facsimile of Albrecht Dürer’s Third Knot is Lithograph on handmade paper.

Yes, Facsimile of Albrecht Dürer’s Third Knot is in the public domain and available for free download under CC0 license.

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Albrecht Dürer|Leonardo da Vinci|Ralf Leopold von Retberg-Wettbergen, 1865