Johannes Frederick Schulz ( 1817 - 1888 ) was a Dutch painter. Johannes Frederick Schulz s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2018.27 USD for Barges becalmed on the estuary in 2004 to 3495.05 USD for Barges from Zierikzee on a calm in 2005 , based on the size and medium of the artwork.