40004797, Marlborough, 270, Facing head of a dog (Sirius), with curving rays. Inscribed on the collar GAIOS EPOIEI., GAIOS EPOIEI, Museum of Fine Arts, Boston, Boardman, J., Scarisbrick, D., Wagner C., Zwierlein-Diehl, E: The Marlborough Gems (2009), Story-Maskelyne, M.H.: The Marlborough Gems (1870), 27.734, Siriam garnet, 1st cent. BC.