Otto, Count of Nassau and his Wife Adelheid van Vianen
Bernard van Orley · 1530–35
Pen and brown ink, watercolor over black chalk (recto); tracing in black chalk of the figures on the recto (verso)
Bernard van Orley · 1530–35
Pen and brown ink, watercolor over black chalk (recto); tracing in black chalk of the figures on the recto (verso)