An exceptional oil on canvas, the "Aqua Claudia" aqueduct in the Roman countryside, the Apennines mountains in the background, circa 1840 (160 cm x 100 cm, with its original gilded frame : 187 cm x 125 cm) (63 in. x 39 in., with the frame : 74 in. x 49 in.), attributed to Jean-Achille Bénouville (1815 - 1891), First "Grand Prix de Rome" in 1845