Ludwig Hirschfeld Mack ( 1893 - 1965 ) was a German painter. Ludwig Hirschfeld Mack s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2597.75 USD for Puppets in 2006 to 5351.46 USD for Abstract Sea Creatures in 2014 , based on the size and medium of the artwork.