Leonardus Nardus ( 1868 - 1955 ) was a Dutch painter. Leonardus Nardus s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 120 USD for portrait of the Dutch pianist, Martinus Sieveking. in 2006 to 803.47 USD for GIRL IN A BONNET BY THE SEA in 2013 , based on the size and medium of the artwork.