Bertel Thorvaldsen (after) ( 1768 - 1844 ) was a Danish painter. Bertel Thorvaldsen (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 239.29 USD for Der Alexanderzug. Folge von 22 Bll. (incl. √úbersichtsblatt) in 2006 to 9166.67 USD for A MARBLE BUST OF A VESTAL VIRGIN in 2015 , based on the size and medium of the artwork.