40005226, Marlborough, 113, The Virgin Mary standing over a winged angel head with four similar heads at either side of her, the lower two in profile., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 113, Cameo, Onyx