Exhibit in the Chazen Museum of Art, University of Wisconsin-Madison, Madison, Wisconsin, USA. This artwork is old enough so that it is in the public domain. Photography was permitted in the museum without restriction.
Herakles and the Nemean lion. Black-figure lekythos worked by the Painter of Athens 581, ca. 500 BC. Museum of Cycladic Art in Athens. Français : Héraclès et le lion de Némée. Lécythe à figures rouges du Pein More
Exhibit in the Arthur M. Sackler Museum, Harvard University, Cambridge, Massachusetts, USA. This artwork is in the public domain because the artist died more than 70 years ago.
Exhibit in the Martin von Wagner Museum - Würzburg, Germany. Public domain photograph of ceramic vase, jug, pottery, free to use, no copyright restrictions image - Picryl description
Exhibit in the Martin von Wagner Museum - Würzburg, Germany. Public domain image of an ancient Greek vase, classical Greece, government, and politics, free to use, no copyright restrictions image - Picryl description