French landscape painter identified with the Barbizon School. ALS in French, signed 'C. Corot,' one page, 5.25 x 8.25, April 16, 1869. Corot writes an unidentified woman. In part (translated): 'Don’t worry about returning the sketches. Send them back when you can. I’ve received an important commission and that will keep me from going to London this year.' In fine condition, with intersecting folds. RRAuction COA.