Oskar H. Hagemann was a German painter who was born in 1888. Oskar H. Hagemann's work has been offered at auction multiple times, with realized prices ranging from 23 USD to 1,061 USD, depending on the size and medium of the artwork. Since 1998 the record price for this artist at auction is 1,061 USD for Portrait of a woman wearing a hat embellished with flowers, sold at Bruun Rasmussen 脜rhus in 2021. The artist died in 1984.