Dame Eileen Rosemary Mayo DBE (September 11, 1906-January 4, 1994) was an English-born artist and designer who worked in England, Australia, and New Zealand in almost every available medium.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Eileen_Mayo
The Toilet by Eileen Mayo
1942 / Woodcut / 3 3/4″x3″ / Victoria and Albert Museum, London, UK
Eileen Mayo on Artnet: http://www.artnet.com/artists/eileen-rosemary-mayo/