40004543, Marlborough, 425, Europa with flying dress riding the Bull, astride, holding a horn; waves below., Unknown, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), no. 425, Yellowish chalcedony

[View larger image] [Add to photograph album]