Annotated detail of an X-radiograph showing a cast-on repair in the seated figure’s right knee that shrank as it cooled, revealing the distinctive gap between the original wall of the bronze and the later cast-in metal. Francesco Bertos (Italian, 1678–1741), Group of Eleven Figures (Allegory of Autumn), ca. 1725, H. 79.5 cm (J. Paul Getty Museum, inv. 85.SB.74).