Karl Peter Hasselberg ( 1850 - 1894 ) was a Swedish painter. Karl Peter Hasselberg s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1435.71 USD for SNÖKLOCKAN in 2005 to a remarkable record 21590.5 USD for Grodan in 2009 , based on the size and medium of the artwork.