The Salzach Valley with a View of the Watzmann Massif in the Background
Frederik van Valckenborch · ca. 1595–1600

Pen and gray ink, brush and brown wash and blue watercolor; framing lines in pen and brown ink
Frederik van Valckenborch · ca. 1595–1600

Pen and gray ink, brush and brown wash and blue watercolor; framing lines in pen and brown ink