Nicholas Andre Courtoise, French, 1734-1806. Oil on canvas portrait of "Augustine de Caulaincourt, Marquise de Morney". Signed center right "Courtoise" and dated 1787. Retains an old "F.R." (Frost & Reed, London) paper Gallery label verso. Minor craquelure, wear and damage to the frame. Image 10 x 12" high (oval), framed 14 1/4 x 16 1/4" high overall. ESTIMATE $600-800