Study of an Oak Leaf, John Ruskin, 18191900, British, undated, Pen and brown ink with watercolor over graphite heightened with gouache and gum; verso: graphite on medium, smooth, white wove paper, Sheet: 7 9/16 × 6 7/8 inches (19.2 × 17.5 cm) and Frame: 12 3/16 × 11 7/16 × 13/16 inches (30.9 × 29 × 2.1 cm), botanical subject, leaf, leaves, oak, study (visual work).
Study of an Oak Leaf, John Ruskin, 18191900, British, undated, Pen and brown ink with watercolor over graphite heightened with gouache and gum; verso: graphite on medium, smooth, white wove paper, Sheet: 7 9/16 × 6 7/8 inches (19.2 × 17.5 cm) and Frame: 12 3/16 × 11 7/16 × 13/16 inches (30.9 × 29 × 2.1 cm), botanical subject, leaf, leaves, oak, study (visual work)