Geoffrey Bevington, ‘Winter Fronds of the Prickly Fern’, ca. 1862, National Gallery of Art, Washington, D.C.
image: 18.5 x 24 cm (7 5/16 x 9 7/16 in.), oval  mount: 34.2 x 51 cm (13 7/16 x 20 1/16 in.)