Rudolf Groeschel ( 1891 - 1985 ) was a German painter. Rudolf Groeschel s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 222.17 USD for Fretschentümpel in 2006 to 2459.73 USD for Wolkiger Junitag in 2006 , based on the size and medium of the artwork.