Antoni Michalak ( 1902 - 1975 ) was a Polish painter. Antoni Michalak s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 10087.32 USD for Portret Hanny Mortkowiczówny in 2012 to 13827.62 USD for Martwa natura z dziadkiem do orzechów in 2014 , based on the size and medium of the artwork.