Who was Berthe Weill, art dealer of the Parisian Avant-garde Émilie Charmy, Portrait of Berthe Weill, 1910-1914; MMFA, purchase, Horsley and Annie Townsend Bequest. 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.