Luplau Jorgen Janssen ( 1869 - 1927 ) was a Danish painter. Luplau Jorgen Janssen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1287.37 USD for Eksteri√∏r med kunstnerens hustru og s√∏n. in 2003 to 6590.92 USD for En Moder med sin Dreng in 2008 , based on the size and medium of the artwork.