A poison ring with a hidden Cross of Lorraine appears in the film Casablanca.

The poison ring was another exhibit in this strange run of crime and countercrime.

He was not supposed to be cowering in his pajamas, terrified of the touch of an overdressed fake spiritualist with a poison ring.

With a poison ring?

"I was joking, but could it be some kind of poison ring?"

Shed been wearing a poison ring filled with snake venom.

One side is plain, and the other side has the Charlier crest, and it's a poison ring.

You'll hate me for this," I said, "but there aren't any poison rings.

So Sarah had her triumph after all, and the ring had become a poison ring, for a sick, despairing woman's quick way out of disappointment and pain.

A poison ring, [ guess, with an emerald.