Johan Fredrik Hockert ( 1826 - 1866 ) was a Swedish painter. Johan Fredrik Hockert s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 680.9 USD for Utanför klostret in 2005 to 2977.56 USD for En scen från Lappmarken in 2011 , based on the size and medium of the artwork.