Grotesque Decoration and Ceiling Designs (recto); Geometric Design (verso) Wall Art

"Grotesque Decoration and Ceiling Designs (recto); Geometric Design (verso)" by Anonymous, Italian, 16th century, 16th century. Pen and brown ink, brush and gray-brown wash, over ruled black chalk or graphite lines (recto); brush and gray-brown wash. Original high-resolution public-domain artwork from The Metropolitan Museum of Art.