Greta Knutson Tzara ( 1899 - 1983 ) was a painter. Greta Knutson Tzara s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1525.7 USD for Ejdersträck över hav in 2005 to 8103.08 USD for Composition in 2012 , based on the size and medium of the artwork.