Martinus Schouman (attributed To) ( 1770 - 1848 ) was a Dutch painter. Martinus Schouman (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1679.87 USD for EXTENSIVE RIVER LANDSCAPE WITH SAILING VESSELS AND FIGURES IN THE FOREGROUND in 2004 to 4620.39 USD for East-Indiamen off the Dutch coast in 2013 , based on the