P Gagni ( 1900 - ) is a French painter. P Gagni s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1920 USD for Bookstalls Along the Seine and Marche aux Fleurs, Paris: Two in 2006 to 3600 USD for Place de L'Opera and La Madeleine in 2007 , based on the size and medium of the artwork.