Reverse of panel showing evidence of sprues and working from the back of the wax model. The detail shows reinforcement of the edges of a hollow portion with small masses of soft wax. They correspond to the area where the hollow protruding figure of David meets the background of the relief. The malleable material also captured partial fingerprints. Lorenzo Ghiberti (Italy, 1378–1455), David and Saul panel in the Gates of Paradise, left door, design begun after 1425, installed 1452, H. 518 cm (Museo dell’Opera del Duomo, Florence, inv. 2005/905). See Bewer, Francesca G., Richard. E. Stone, and Shelley G. Sturman. 2007. “Reconstructing the Casting Technique of Lorenzo Ghiberti’s Gates of Paradise.” In The Gates of Paradise: Lorenzo Ghiberti’s Renaissance Masterpiece, edited by Gary M. Radke, 156–82. Atlanta: High Museum of Art; New Haven, CT: Yale University Press..