Neville William Cayley ( 1886 - 1950 ) was an Australian painter. Neville William Cayley s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3211 USD for Ducks in Flight in 2004 to 13911.43 USD for Kookaburras in 2010 , based on the size and medium of the artwork.