Illusions These paintings are also included in the other galleries but are collected here as they all contain optical illusion. Nightfall (2000) - SOLD The Invisible Tor (1) Agrion (2003) - SOLD The Riddle of the Moon (2003) - SOLD Winter Sunlight in the Gallery (2003) - £750 Wick Water-Treatment Plant (2011) - SOLD Through the Fence - Original Version (1997) - SOLD Three Cooking Apples (2011) - £950 The Scarlet Rope (1999) - £900 The Old Tree (2003) - £750 The Odd Frame (c. 2004) - £580 The Left-Hander (2011) - £850 The Green Knight (2004) - SOLD Gale Warning - The Notice Board (2011) - £800 Sunlight on the Floor (2003) - SOLD Study for an Impossible Viaduct (2007) - £950 Flying Rumours (1997) - SOLD The Invisible Tor (2) - Escher's Puddle (2003) - SOLD Delaja's Tor (2003) - SOLD A Game of Croquet (2004) - SOLD The White Table (2015) A Group of Leaf Beetles paying tribute to Sir Winston (1997) - SOLD Autumn Metamorphosis (1978) - SOLD Double Reflection (1991) - £3500 Evening Flight (1978) - SOLD Evening Landscape (2000) - SOLD Ghosts of Four Horses in a Cave (1976) - £820 Invisible City (1987) - SOLD Landscape with Teeth (1981) - £2000 No Way Down (1994) - £800 Portrait of Richard Owen (2001) - £1200 The Escape - Third Version (c2000) - SOLD The Stone Circle (1984) - SOLD In the House of the Magician (1973) - SOLD The Prisoner (1973) - SOLD Nutkin Stairs - SOLD Peter Rabbit - SOLD Descent with Modification (2001) - £850 The Visit (2019) - SOLD