Christian August Lorentzen ( 1749 - 1828 ) was a Danish painter. Christian August Lorentzen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 557.46 USD for La Cittadelle d´Agershuus. Håndkoloreret aquatinte in 2004 to 32431.24 USD for KRISTIANIA, FROM EKEBERGASEN in 2012 , based on the size and medium of the artwork.