Erminia and the Shepherd [above]; Atalanta hunting the Calydonian Boar [below]

Jan van der Straet, called Stradanus, Flemish, 1523–1605 · ca. 1596 – 1600 · Recto: pen and brown ink, brush and brown wash over black chalk on laid paper Verso: pen and brown ink on laid paper

From the collection of Cooper Hewitt, Smithsonian Design Museum. Free to download, adapt and use — no permission needed.