Leon Hartl ( 1889 - 1973 ) was an American painter. Leon Hartl s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 60 USD for Roses and other flowers in a vase in 2004 to 1000 USD for Still Life with Flowers and Fruit on a Tabletop in 2013 , based on the size and medium of the artwork.