Gerardus Jacobus Delfgaauw ( 1882 - 1947 ) was a Dutch painter. Gerardus Jacobus Delfgaauw s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 11723.31 USD for A VIEW OF ALKMAAR in 2003 to 12969.97 USD for A summer's day on Scheveningen beach by the Kurhaus in 2007 , based on the size and medium of the artwork.