Nicaise De Keyser ( 1813 - 1887 ) was a Belgian painter. Nicaise De Keyser s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 562.85 USD for Les peintres du Nord in 2006 to 19327.41 USD for La Bataille des Eperons d'or in 2008 , based on the size and medium of the artwork.