Hans Pock ( 1855 - 1918 ) was an Austrian painter. Hans Pock s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 171.69 USD for Bildnis einer alten Frau und eines Mannes in 2006 to 792.2 USD for Summery landscape with cattle. in 2008 , based on the size and medium of the artwork.