Olga Beggrow Hartmann ( 1862 - 1922 ) was a German painter. Olga Beggrow Hartmann s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 387.45 USD for An einen Brunnen gelehnt stehender weiblicher Akt mit Flügeln, einen Schmetterling beobachtend in 2005