Martinus Schouman ( 1770 - 1848 ) was a Dutch painter. Martinus Schouman s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6172.43 USD for The threemaster `Louisa Prinses der Nederlanden` in full sail in 2004 to 24738.62 USD for SAILING IN CHOPPY WATERS in 2007 , based on the size and medium of the artwork.