2 pages (front and back) on delicate slate blue writing paper, 8.25 x 5 inches, no place, no date, circa 1865. Signed "R. Bonheur" by the French painter to a woman saying that she is sorry not to see her, but that she will be happy to receive her in Paris when she gets back. Noted in another hand on top of the first page: "autographe de Rosa Bonheur." Tear in left margin of first page, three holes in the blank conjugate page following. Good condition.