Alec Mingelmanganu ( 1905 - 1981 ) was an Australian painter. Alec Mingelmanganu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6000 USD for A SPEARTHROWER C.1980 in 2004 to 44719.52 USD for WANJINA in 2018 , based on the size and medium of the artwork.