A roman red jasper intaglio. Conjoined busts of Mars and Athena, both turned to the left. Each deity is wearing a helmet with crest; Athena is wearing the gorgoneion, with small snakes lifting up from her chest, while Mars is wearing the armour, decorated in the center with a facing head (probably Medusa's). Intaglio carried out with clean carvings. Light chipping in the upper part of the stone. 1st-2nd century A.D.
14 x 12 x 3 mm