Similar proof in cast from Thiébaut frères David around 1872 in bronze H. 184,1 ; L. 76,8 ; P. 83,2 cm. Musée d'Orsay, Paris, France

Really rare proof in bronze with richly nuanced brown patina, signed « A. Mercié », authentic cast from Barbedienne, with the mark of the art caster also the mark of the reduction Achille Collas.