Maria Caspar Filser ( 1878 - 1968 ) was a German painter. Maria Caspar Filser s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6696.24 USD for Frühlingsgewitter über Florenz in 2004 to 20630.01 USD for Inntallandschaft in 2006 , based on the size and medium of the artwork.