Johann Heinrich Roos ( 1631 - 1685 ) was a German painter. Johann Heinrich Roos s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 7901.52 USD for Een herdersjongen met schapen, geiten en een koe in een weide in de duinen in 2004 to 21250 USD for Travellers with their livestock resting amid classical ruins in 2014 , based on the si