oh dear! I had a feeling touching it would be a bad idea (TM) poor Ianto... but oooh the things he got to see!

and this...
"“I’ll say.” Davies nodded. “It’s neither gold nor silver, or any combination of them that I can identify. Every test I did came back negative.”"

oh bless you! I was wondering about the "silver" given that the Egyptians usually used gold... but a "unique" metal would be a killer draw!