Wilhelmina Barns-Graham, Rocks, Formentera, 1958,

Wilhelmina Barns-Graham, Rocks, Formentera, 1958,

Wilhelmina Barns-Graham, Rocks, Formentera, 1958, Pen, ink and wash, 68 x 78 x 2.8 cm, © Wilhelmina Barns-Graham Trust . Photo credit Wilhelmina Barns-Graham Trust