Sigurd Valdemar Lonholdt ( 1910 - ) is a painter. Sigurd Valdemar Lonholdt s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 39.64 USD for Portræt af kvinde med hånden på højre kind in 2004 to 1058.99 USD for Landscape with figures in 2014 , based on the size and medium of the artwork.