40004809, Marlborough, 709, Harpocrates standing, finger to mouth, wearing a minute double crown, dress at back and over left arm, holding a cornucopia and leaning on a column., Walters Art Museum, Baltimore, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 42.1101, Cornelian