Franz Xaver Gruber ( 1801 - 1862 ) was an Austrian painter. Franz Xaver Gruber s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 3357.9 USD for Scene from Sterzing, South Tyrol in 2003 to 34463.74 USD for Still life of roses with a butterfly, a dragonfly and a bird in 2017 , based on the size and medium of the artwork.