London: Serpentine Gallery, London, (1974). Paperback. photos, 56p. Softcover in original wrapper. 30 cm. Minor cover wear. An Arts Council Exhibition at Serpentine Gallery, London. April 6th-28th, 1974. Barrie Bates/Billyu Apple, 1935-2021, was a New Zealand artist. This was his first major retrospective exhibition. More