Ralph Albert Blakelock (attributed To) ( 1845 - 1919 ) was an American painter. Ralph Albert Blakelock (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 200 USD for LANDSCAPE in 2004 to 15860 USD for Landscape Silhouette at Twilight in 2017 , based on the size and medium of the artwork.