Frederik Amalius Oostveen ( 1885 - 1973 ) was a painter. Frederik Amalius Oostveen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 244.26 USD for Lelies in vaas in 2004 to 2108.43 USD for Portrait of a girl wearing a hat in 2010 , based on the size and medium of the artwork.