The picture, taken away from Germany in 1945
 

Help me identify the author

Hermann Sievers, 1884-1958

Thank you.
What is the approximate price of a painting?
On the Internet the price of his paintings from 100 to 1500 dollars.

mak777uh, although, as usual, lies closer to the middle.

Then, not long ago, was sold for 400 euros:

http://www.ebay.at/itm/SIEVERS-Herma...-/200580413130