Ludwig Knaus (attributed To) ( 1829 - 1910 ) was a German painter. Ludwig Knaus (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 460.04 USD for LE PÂTRE ITALIEN in 2005 to 1896 USD for Portrait of a Boy with a Puppet in 2011 , based on the size and medium of the artwork.