Louis Ludwig Neustätter ( 1829 - 1899 ) was a German painter. Louis Ludwig Neustätter s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 11162 USD for Planning a Trip to the Theater in 2004 to 19200 USD for ON THE SEE-SAW in 2005 , based on the size and medium of the artwork.