Isidore ROSENSTOCK ( 1880 - 1956 ) was a French painter. Isidore ROSENSTOCK s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 686.74 USD for ROSES IN A VASE in 2003 to 1106.54 USD for Roses in a vase in 2012 , based on the size and medium of the artwork.