In the House of Pompeii, Upper floor wall short dell`Antistufa , by giovanni battista piranesi , design , Neoclassicism style , Text, Diagram, Line, Parallel
A black and white drawing of a floor plan.
A black and white image of a square with a diamond in the middle.  The diamond is surrounded by smaller squares.  There are also smaller squares surrounding the diamond.  All of the square are outlined in black and have a decorative border around them.  On the diamond is a picture of a jumping frog.  