Hann Trier ( 1915 - 1999 ) was a German painter. Hann Trier s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 802.65 USD for Stierkampfstudie in 2002 to 14548.01 USD for Mariposa II in 2002 , based on the size and medium of the artwork.