Dolf Rieser ( 1898 - 1983 ) was a German painter. Dolf Rieser s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 122.7 USD for Herons feeding; blue fish; three fish; bird catcher; n´gebule - story of a princess who changed into a bird; and waves in 2004