Who was Berthe Weill, art dealer of the Parisian Avant-garde Amedeo Modigliani, Nude with a Coral Necklace, 1917; Allen Memorial Art Museum, Oberlin, Ohio, gift from Joseph and Enid Bissett. 07/17/25 5:25pm “Berthe Weill, Art Dealer of the Parisian Avant-garde” is at the Montreal Museum of Fine Arts through September 7, 2025.