William Francias Longstaff ( 1879 - 1953 ) was an Australian painter. William Francias Longstaff s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 235.66 USD for STILL LIFE WITH FLOWERS in 2004 to 83468.58 USD for 'The rearguard (The spirit of ANZAC)' in 2010 , based on the size and medium of the artwork.