Mars 

This is a drawing of Mars, the Roman god of war, by the Italian artist Giovanni Battista Piranesi. The god is depicted in a seated position, wearing armor, holding a spear and sitting atop a cloud with a patterned decorative frame around the central image. The drawing includes decorative elements like a winged cupid in the upper left corner and a winged figure in the lower right corner, and there are small birds on branches in the upper right and lower left corners. Piranesi was known for his architectural etchings and drawings of Roman ruins, and his work often incorporated mythological and historical elements.