Istvan Bogner ( 1900 - ) is a Swedish painter. Istvan Bogner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 137.83 USD for Motiv från Södermälarstrand, Stockholm in 2007 to 354.89 USD for Motiv från Södermälarstrand, Stockholm in 2007 , based on the size and medium of the artwork.