Highly influential French painter (1840–1926) who was among the leading figures of the impressionist movement, which took its name from the title of one of Monet’s works. Mailing envelope addressed in pencil by Monet to his close friend, art critic Gustave Geffroy (1855–1926), 5.5 x 4.25, postmarked June 14, 1921. Mild handling wear, otherwise fine condition. R&R COA.