Isidoor Opsomer ( 1878 - 1967 ) was a painter. Isidoor Opsomer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 103.43 USD for Intérieur paysan et fillette in 2015 to 1369.86 USD for Chrysanten voor venster in 2015 , based on the size and medium of the artwork.