Roman Empire ( 2 century A.C.) Silver Cameo XVII century with white Crystal (glasses)

Roman Empire ( 2 century A. C. ). Oldest in my Collection. Shell Cameo with XVII century bezel and newest XIX century pin. CRYSTAL (glasses) stones. Total measures is about 1 5/8 long by 1 1/8 with (40 mm. by 30 mm.). The Roman profile woman inserted in very old brooch. Total weight is 14.17 gr. Perfect condition for this age.