Nils Tiren ( 1885 - 1935 ) was a Swedish painter. Nils Tiren s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 807.81 USD for Domherrar in 2004 to 1509.91 USD for Tjäderhöna med kycklingar in 2005 , based on the size and medium of the artwork.