Johanna Dann ( 1878 - ) is a German painter. Johanna Dann s works have been put up for auction numerous times, with realized prices varying from 68.18 USD for Schlüsselblumen u. Veilchen im Krug in 2007 to 344.88 USD for Bunter Fliederstrauß in einer Vase in 2012 , based on the size and medium of the artwork.