Mogens Andersen & Preben Hornung ( - ) is a painter. Mogens Andersen & Preben Hornung s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 74.43 USD for Two compositions. in 2010 to 53705.69 USD for Slagtekrop in 2013 , based on the size and medium of the artwork.