Enid Marx once pondered ‘whether postage stamps are fine or industrial art. Her best-known work was the sturdy moquette fabric she designed for seats on London Underground in the 1930s. It spans her career from the years at the Royal College of Art to her stamp design and her folk art. ‘Watermelon, pumpkin and cucumber,’ 1950s, by Enid Marx. I say the campaign to get Marx back on the seats of London Underground starts here.