"I don't understand why the artist must use only oil colours and not old bus tickets?” Kurt Schwitters. ‘Entropic Returns 1-4’ mixed-media on used Tokyo sub-way tickets, 7 x 5 cm, 2026..

Kurt Schwitters once said: "I don't understand why the artist must use only oil colours and not old bus tickets." These are old Tokyo subway tickets bought in Jimbocho markets in Tokyo.