VAT rate of 5% is payable on hammer price and at 15% on the buyer's premium
with Chris Beetles Ltd., London.
Anonymous sale; Sotheby's, London, 31 October 1997, lot 361.
Jane Johnson, A Book of Nursery Riddles, published by A & C Black, London, 1984.
London, Chris Beetles Gallery, The Illustrators: The British Art of Illustration 1800-1986, 10 November-5 December, 1986, no. 45.