Emperors Charles V and Ferdinand I
1531
ink
From the collection of National Gallery of Art
1531
ink
From the collection of National Gallery of Art
This painting shows two emperors, Charles V and Ferdinand I. It's an old etching, which is a way of printing images using a metal plate. The etching process involves scratching a design into a plate, then using ink to print it - this technique was often used for detailed work like portraits. You can learn more about this technique by looking into etching.