Gerardus Johannes Ladage ( 1878 - 1932 ) was a Dutch painter. Gerardus Johannes Ladage s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1177 USD for Oosterhout in 2002 to 4541 USD for Symphonie no.9 in 2002 , based on the size and medium of the artwork.