An Antique Sacrificial Scene (recto); Sketch of a Group of People (verso) Wall Art

"An Antique Sacrificial Scene (recto); Sketch of a Group of People (verso)" by Johann Eleazar Zeissig, called Schenau, 1779 (?). Brush and gray ink, heightened with white gouache, over black chalk; framing lines in pen and brown ink, not by the artist; verso: black chalk. Original high-resolution public-domain artwork from The Metropolitan Museum of Art.