Maria Margrita Van Os ( 1780 - 1862 ) was a Dutch painter. Maria Margrita Van Os s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1482.19 USD for A BUTTERFLY in 2004 to 4265.63 USD for A STILL LIFE WITH VIOLETS, GRAPES AND ORANGES ON A LEDGE in 2011 , based on the size and medium of the artwork.