Thomas Monnington, Study for Allegory, 1925, Pencil and coloured chalk on tracing paper, 8½ x 8in (21.5 x 20cm), £8,000.
All images courtesy of Liss Llewellyn
English School, The Good Samaritan, c.1920, oil on canvas, 2ft 10in x 3ft 4in (86.5cm x 1m), available for a price in the low tens of thousands.