Albrecht Dürer, The Great Piece of Turf, 1503, watercolor and gouache heighted with white, mounted on cardboard, 40.8 x 31.5 cm (16 x 12 3/8 in.), Albertina, Vienna
via NGA. Albertina. NYT from 2013. Lubbock for the Independent.
You've got to dig to dig it, you dig?