Hippolyte Pierre Delanoy ( 1849 - 1899 ) was a French painter. Hippolyte Pierre Delanoy s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6957.11 USD for Jeanne au bûcher in 2005 to 7371.12 USD for Still life with helmet, sword, books and sprig of holly in 2012 , based on the size and medium of the artwork.