Johan Edvard Mandelberg ( 1730 - 1786 ) was a Danish painter. Johan Edvard Mandelberg s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1857.01 USD for Slaget vid Helsingborg in 2005 to 2686.19 USD for Bataljer - ett par in 2014 , based on the size and medium of the artwork.