Gaston Hippolyte Ambroise Boucart ( 1878 - 1962 ) was a French painter. Gaston Hippolyte Ambroise Boucart s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1021 USD for Port de Douelan in 2014 to 3798.43 USD for A Summer’s Day on the Grand Canal in 2017 , based on the size and medium of the artwork.